1. Physics

    Suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2 = 1.4 volts. What would be the voltage across the third resistor? What would its resistance be?

    asked by Dean on February 17, 2015
  2. Physics

    suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2 = 1.4 volts. What would be the voltage across the third resistor? What would its resistance be?

    asked by Anonymous on February 17, 2015
  3. Physics

    Suppose you had a circuit with three resistors in series and you measured I=7.0 milliamps; V = 14.7 volts; V1= 3.5 volts and V2 = 1.4 volts. What would be the voltage across the third resistor? What would its resistance be?

    asked by Dean on February 18, 2015
  4. PHYSICS 1112

    A cube of side length L = 10 cm is centered at the origin of an x,y,z (cartesian) coordinate system. The electric potential V (x, y, z) is measured at the centers of the six faces of the cube to be the values shown below. Using this information, estimate

    asked by Eddy on February 4, 2010
  5. Maths

    A records voltages from 0 volts to 20 volts. If the average value for three readings on the meter was 16 volts, then what the smallest number possible reading, in volts?

    asked by Anonymous on October 26, 2016
  6. physics

    Consider a transformer with a primary that has 50 turns of wire and a secondary of 250 turns. Then a 110-V input will produce an output of which of the following? A) 550 volts.B) 110 volts.C) 300 volts.D) 50 volts.E) 22 volts.

    asked by Jim on April 14, 2012
  7. Physical Science: Series Circuit

    There is a circuit of 2 lamps in a series. If a voltage of 6 volts is impressed across the circuit and the voltage across the 1st lamp is 2 volts, what is the voltage across the second lamp? Defend your answer I want to say that the second lamp has a

    asked by Britney on October 5, 2009
  8. physcial science

    A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage? A. 8 volts B. 150 volts C. 640 volts D. 600 volts

    asked by sid on October 20, 2015
  9. physics

    In the circuit shown, find the voltage Vx (in Volts) if V = 17.0 Volts, R1 = 13.0 k ohms, R2 = 4.0 k ohms, R3 = 13.0 k ohms and R4 = 21.0 k ohms. Answer is -6.5 I don't understand how they got it, can someone please explain it with steps? Thanks tinypic. c

    asked by christina on February 11, 2014
  10. Physics

    In the circuit shown, find the voltage Vx (in Volts) if V = 17.0 Volts, R1 = 13.0 k ohms, R2 = 4.0 k ohms, R3 = 13.0 k ohms and R4 = 21.0 k ohms. Answer is -6.5 I don't understand how they got it, can someone please explain it with steps? Thanks tinypic. c

    asked by christina on February 11, 2014
  11. science

    vs =6 volts vth =2 volts ida(diode current)=1m amp no value given for resistor network find rth(thevenien) 2,000 and 4000 do not work. diode current must not be equal to isc.?? voc=2 volts

    asked by bear on December 16, 2015
  12. physics

    You have an RC circuit and you measure the "zero" voltage to actually be 2.385 [Volts]. The peak voltage is measured to be 8.262 [Volts]. At what voltage value will you look for t4 = time stamp for 15/16 total charge?

    asked by B on March 18, 2015
  13. Trigonometry

    the voltage E in volts in a circuit after t seconds (t70) is given by E=12 sin(120pi times t). After how many seconds does the voltage first reach 6 volts?

    asked by Matt on January 18, 2007
  14. power dissipation

    What is the power dissipated by resistor R1 of the following circuit: two batteries in series (with values V1 = 20 volts and V2 = 20 volts) connected across three resistors in series with values R1 = 10k, R2 = 10k, and R3 = 20k im getting the answer 4 but

    asked by Adam on May 25, 2013
  15. maths

    Given the the instantaneous voltage across a capacitor is VC=40(1-e -t/CR) Volts When being charged by a 40 volt DC supply, find the time, t for VC to reach 18 volts after the charging process has started if C = 100ìF and R = 20kÙ

    asked by Rachael on March 22, 2013
  16. physics

    1. Outlets of two rooms are placed in parallel on a single circuit (120 volts). How many 100 watt light bulbs could you run on a circuit that had a 15 amp circuit breaker (max of 15 amps total) need help setting up problem?? Each 100 W lamp draws I = P/V =

    asked by mitch on November 17, 2006
  17. elctronics and circuits

    The circuit shown below is the linear equivalent model of a two-input single-output amplifier. Note that it contains a current dependent voltage source. Figure 7-1 One application of this amplifier is in a communications circuit where its two inputs are

    asked by kanimozhi on November 18, 2016
  18. statistics

    the authors's generac generator produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volts, and the voltages have a bell-shaped distribution. using the empiral rule, what is the percentage of voltage amounts between 124.4 and

    asked by marie on September 19, 2011
  19. Physics

    Three parallel plate capacitors (C1,C2 and C3 ) are in series with a battery of 100 V. C1=2500 micro Farad; C2=2C1 , C3=3C1 . (a) What is the potential difference over each capacitor and how much charge is on each capacitor? Across C1 :V1 (in Volts) =

    asked by P on March 13, 2013
  20. Calculus

    Calculus If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant, the voltage is 250 and is increasing at a rate of 4 volts/min, while the current is 0.5 AMP and is increasing at a rate

    asked by Trevor on February 28, 2013
  21. physics

    Consider a circuit with an input voltage, a resistor, and a capacitor,Imagine that the input voltage initially has size 12 volts at t = 0. At t = 10 it drops down to a value of 5 volts, which it then maintains indefinitely.Setting R = 3 and C = 2 formulate

    asked by tendeukai on September 2, 2015
  22. physics

    Consider a circuit with an input voltage, a resistor, and a capacitor, as shown in • Imagine that the input voltage initially has size 12 volts at t = 0. At t = 10 it drops down to a value of 5 volts, which it then maintains indefinitely. Setting R = 3

    asked by tendeukai on September 2, 2015
  23. Calculus

    If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant, the voltage is 250 and is increasing at a rate of 4 volts/min, while the current is 0.5 AMP and is increasing at a rate of 0.01

    asked by Trevor on February 28, 2013
  24. Science

    How can I find the potential difference? It's a parallel circuit. R1, R2 and R3 is 0.3 and the current is 8.0. Is the volts 8.8?

    asked by Tara on March 24, 2015
  25. engineering science

    Given the circuit below with unknown voltage source and a voltage drop of 2.233 v Volts on resistor R3, with (R1 = 2KΩ, R2 = 1KΩ, R3 = 3.3KΩ, R4 = 4.7KΩ, R5 = 4.7KΩ). Calculate and complete the table below.

    asked by dan on October 15, 2018
  26. kendriya vidyalaya

    an electron initially at rest is accelerated through a potential difference of 100 volts. find its final kinetic energy in electron volts?

    asked by medha on December 28, 2015
  27. calculus

    The voltage V (volts), current I (amperes), and resistence R (ohms) of an electric circuit are related by the equation V=IR. Suppose that V is increasing at a rate of 3 volt/sec while I is decreasing at a rate of 1/8 amp/sec. Let t denote time in seconds.

    asked by Avi on September 27, 2012
  28. Physics

    Point charges Q1 ,Q2 , and Q3 reside on three corners of a square with sides of 1m ; the distance from Q2 to P3 is 2m (see diagram). (a) What is the electric potential,V , at P1 ? (Normalize the potential to be zero at infinity and give your answers in

    asked by P on March 5, 2013
  29. Physics

    If the electric potential is given by V = (-1 volts/m4 )x2yz + (4 volts/m2)yz, find the electric field.

    asked by lindsey on February 27, 2013
  30. math

    Empirical rule the authors generac generator produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volt,and the voltage have a bell-shape distribution.using the empirical rule,what is the approximate percentage of voltage

    asked by bibi on September 18, 2011
  31. Science

    One light bulb in a string of lights goes out this causes all other lights in string to go out. This is example of A. Resistor B. parallel circuit C. Closed circuit***** D. Series circuit When a switch is turned from the off to the on position it is

    asked by BUBBLES on March 1, 2015
  32. Physics

    A circuit contains a self-inductance L in series with a capacitor C and a resistor R. This circuit is driven by an alternating voltage V=V0sin(ωt). We have L=0.015 H, R= 80 Ω, C= 5e-06 F, and V0=40 volts. Q) Find the energy UC(t) and the energy UL(t)

    asked by rishabh gupta on May 5, 2013
  33. Science

    Alternating current going into a transformer has 200 volts. The current coming out has 20 volts. How many loops of wire might each coil have?

    asked by Shawn on February 6, 2014
  34. physics

    if two lighting volts heat exactly same place at the same time in are frame of ref,it is possible that observes in other frames will see the volts heating at def. time or diff. places? explain

    asked by angie on September 25, 2011
  35. Chemistry

    Use the standard reduction potentials in volts: Cu^2+ --> Cu+ +0.16; I2--> I- +0.54. calculate the value of E (in volts) for a cell in which the overall reaction is= 2Cu+ + I2--> 2Cu^2+ + 2I-

    asked by Kynlee on May 10, 2011
  36. Chemistry

    Use the standard reduction potentials in volts: Cu^2+ --> Cu+ +0.16; I2--> I- +0.54. calculate the value of E (in volts) for a cell in which the overall reaction is= 2Cu+ + I2--> 2Cu^2+ + 2I-

    asked by JBug! on May 10, 2011
  37. physics

    A resistance of 10 ohms and a capacitance of 0.1 farad are connected in series to an alternating voltage source with output (in volts) Vt  50 cos30t. Find the current in the circuit at any time t  0.

    asked by Ce on October 2, 2013
  38. Physics

    Consider the following RLC circuit with V=3 Volts, R=25 Ohms, C=0.006 Farad, L=0.085 Henry. Define the frequencies ω± as the frequencies such that the absolute value of the current of the circuit I0(ω) equals 12I0,max. What is the difference

    asked by Anonymous on May 1, 2013
  39. Physics

    Consider the following RLC series circuit. with V=5 Volts, R=15 Ohms, C=0.004 Farad, L=0.045 Henry. Define the frequencies ω± as the frequencies such that the absolute value of the current of the circuit I0(ω) equals 1/2*I0max. What is the difference

    asked by rishabh gupta on May 1, 2013
  40. Physics

    I need help. Resistor 1: Watts=? Current=? Resistance=520 Volts=? Resistor 2: Watts=? Current=? Resistance=? Volts=57.5 Resistor 3: Watts=? Current=? Resistance=1200 Volts=? Total: Watts=? Current=? Resistance=? Volts=280 Find Resistor 2's resistance.

    asked by Anonymous on September 21, 2013
  41. Physics

    Please help. Thanks. 1. Volt meter measures the potential between two large parallel plates to be 60 volts. The plates are 3cm apart. Find the magnitude of the electric field between them. 2. What work is done when 5C is raised potential by 12.45 volts? *

    asked by Jezrell on July 5, 2012
  42. Physics

    Please help. Thanks. 1. Volt meter measures the potential between two large parallel plates to be 60 volts. The plates are 3cm apart. Find the magnitude of the electric field between them. 2. What work is done when 5C is raised potential by 12.45 volts? *

    asked by Jezrell on July 5, 2012
  43. maths

    1).Last year, a shopkeeper sold an average of 7 cartons of apples from january to april. He sold an average of 9 cartons of apples from june till end of the year. What is the total number of cartons he sold in the 11 months? if each carton contains 66

    asked by RS on May 19, 2012
  44. Engineering Science

    Given the circuit below with unknown voltage source and a voltage drop of 2.233 v Volts on resistor R3, with (R1 = 2KΩ, R2 = 1KΩ, R3 = 3.3KΩ, R4 = 4.7KΩ, R5 = 4.7KΩ). Calculate and complete the table below. I need help finding the total voltage,

    asked by Mike on October 14, 2018
  45. physical science

    if two lighting volts heat exactly they same place at they same time in are frame of ref.,it is possible that observed in other frames will see the volts heating at diff. time r at diff. places????? explain.

    asked by angie on September 25, 2011
  46. Physical Science

    If a step-up transformer has a primary coil with 40 turns, how many turns would be required in the secondary coil in order to increase the voltage from 80 volts to 160 volts?

    asked by Arianne on February 7, 2018
  47. science

    A linear circuit is shown below in Figure 1. Figure 1 The elements in this circuit have the following values: R1=100Ω, R2=200Ω, R3=350Ω, V=5V, and I=0.004A. Determine the potentials drops vA and vB across resistors R1 and R2 respectively. What is the

    asked by Anonymous on May 2, 2013
  48. physics - need help

    Resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. The circuit voltage is 180 volts. Find: the voltage of the parallel circuit the voltage across the parallel circuit the current through the 10 ohm

    asked by Nilan on May 18, 2011
  49. trig

    the voltage, v, in volts, applied to an electric circuit can be modelled by the equation v=167sin(120pi)(t), where t is the time, in seconds. A component in the circuit can safely withstand a voltage of more than 120 V for 0.01 sec or less. a) determine

    asked by Anonymous on April 27, 2009
  50. trig

    the voltage, v, in volts, applied to an electric circuit can be modelled by the equation v=167sin(120pi)(t), where t is the time, in seconds. A component in the circuit can safely withstand a voltage of more than 120 V for 0.01 sec or less. a) determine

    asked by Anonymous on April 27, 2009
  51. physics

    Two 250-µF capacitors, with equal capacitances, and a 1.5-mH inductor are connected as shown in the figure. It is desired to "drive" the circuit by placing an ac generator in series with the inductor. Which output voltage for the generator will produce

    asked by Anonymous on February 24, 2014
  52. Sig Figs

    In a 9V circuit, all the resistors are 20 or 40 kilo Ohms. Convention says that calcs should therefore be quoted to 1 sig fig, since the volts are the least accuracy. 2 seems better though. Any ideas?

    asked by charlie on February 22, 2009
  53. Math/Physics

    In a 9V circuit, all the resistors are 20 or 40 kilo Ohms. Convention says that calcs should therefore be quoted to 1 sig fig, since the volts are the least accuracy. 2 seems better though. Any ideas?

    asked by charlie on February 23, 2009
  54. Physics

    A circuit contains a self-inductance L in series with a capacitor C and a resistor R. This circuit is driven by an alternating voltage V=V0sin(ωt). We have L=0.015 H, R= 80 Ω, C= 5e-06 F, and V0=40 volts. (a) What is the value (in radians/seconds) of the

    asked by rishabh gupta on May 1, 2013
  55. HELP!! Statistics!

    The accompanying data table lists measured voltage amounts supplied directly to a family’s home. The power supply company states that it has a target power supply of 120 volts. Using these home voltage amounts, test the claim that the mean is 120 volts.

    asked by Lynn on June 3, 2015
  56. Physics

    An electron enters a region of space where the potential difference between two equipotential surfaces are 12 cm apart. One surface has a potential of 120 volts and the other potential of 75 volts. What is the magnitude and direction of the electric field

    asked by Tommy on September 7, 2010
  57. science

    Which one would be the safest? a. a current of 0.001 amps at 120 volts b. a current of 0.0001 amps at 24,000 volts c.a 5 volt source with unlimited current potential

    asked by Anonymous on April 30, 2011
  58. physics

    6 electric lamps connected in parallel at 100 volt explain how they are connected to operate at 200 volts without spoiling them.find the total current intensity in the circuit if the resistance of each lamp 240 Ohm

    asked by amal on February 27, 2012
  59. physics

    6 electric lamps connected in parallel at 100 volt explain how they are connected to operate at 200 volts without spoiling them.find the total current intensity in the circuit if the resistance of each lamp 240 Ohm

    asked by amal on February 27, 2012
  60. physics

    A source delivers an AC voltage of the form Δv = (89.0 V) sin (70πt), where Δv is in volts and t is in seconds, to a capacitor. The maximum current in the circuit is 0.460 A. Find the following. (a) Find the rms voltage of the source. (b) Find the

    asked by Sam on May 10, 2017
  61. science(check answers)

    1.D 2.A 3.A 4.im not sure please help 5.false One light bulb in a string of lights goes out. This causes all of the other lights in the string to also go out. This is an example of a A. resistor. B. parallel circuit. C. closed circuit. D. series circuit.

    asked by matt on March 31, 2014
  62. calculus

    The voltage of the power supply in a AC-DC coupled circuit is given by the function v(t) = 130sin5t + 18, where t is time, in seconds, and V is the voltage, in volts, at time t. a) find the maxiumum and mimimum voltages and the times at which they occur

    asked by Chris on March 11, 2011
  63. science

    My son had this assignment and it is totally confusing to me. This is the info provided: 4.5-V lightbulb and 3 batteries that are 1.5 V each Knowing Ohm's law: voltage (in volts) =current (in amps) x resistance (in ohms) or V=IR. Determine in which circuit

    asked by m on April 17, 2012
  64. physics.

    resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10

    asked by Nilan - please help on May 18, 2011
  65. circuits

    A string of five series resistors is connected across a 20 v battery. Zero volts are measured across all the resistors except the second one. What can be wrong with this circuit?

    asked by Adam on May 30, 2013
  66. SCIENCE

    Car headlight circuit - is this possible or do I need two separate circuit diagrams? I have the following components: 12 Volt Battery, 1 x Double filament lamp, two switches (assume stay closed when switched). Draw a circuit diagram using these components

    asked by BIGEYE on March 17, 2007
  67. science

    If an ammeter records 8 amperes and a voltmeter records 1.1 volts, the resistance of the conductor in the circuit is ___ ohms

    asked by Nilan on May 17, 2011
  68. Physics

    Consider the circuit shown in the figure below. (Assume R1 = 12.0 Ω and R2 = 6.00 Ω.) Read this for the figure - A rectangular circuit begins at its left side at a 25.0 V battery with the positive terminal on top. From the battery, the circuit extends up

    asked by Div on March 5, 2019
  69. Chemistry

    Hi, This is one of my chem hw problems. Does anyone have links to websites that might help me solve this..or equations? It sounds like there are two parts to the question but I'm not sure. Volts and Joules? 1. Electrons are used to determine the structure

    asked by Anne on October 27, 2008
  70. Math

    The voltage, V, in volts, applied to an electric circuit can be modeled by the equation V= 167sin (120 pi x) where x is the time, in seconds. A component in the circuit can safely withstand a voltage of more than 120 V for 0.01 s or less. Determine the

    asked by -- on November 20, 2009
  71. alGebra

    A constant tone is being applied to a speaker. The voltage across the speaker is 5 volts. The voltage across the speaker is increased to 15 volts in order to increase the sound level. What is the decibel gain, rounded to the nearest decibel?

    asked by lucy on June 28, 2012
  72. Engineering

    Three resistors , 50 ohms, 100 ohms, and r3 are connected in a series to a power source with potential difference 48 volts and a current throughout the circuit. Can anyone help me figure out what r3 is ?

    asked by Ashley on April 29, 2014
  73. physics

    Please check my work here: Resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. The circuit voltage is 180 volts. Find: a)the voltage of the parallel circuit b)the voltage across the parallel circuit c)the

    asked by Nilan - still need help on May 19, 2011
  74. Physics

    If the resistances R1= 16. ohms, R2 = 38. ohms, and R3 = 18. ohms, and the voltage V = 6.0 volts, what is the current ix (in Amperes) in the circuit. tinypic .cm /r / nfr48k/ 8 The correct answer is .1443 but I want to know how they got that. Thanks.

    asked by christina on February 10, 2014
  75. MATH

    The LRT trolley system 10 miles long is fed by two substations that generate 600 volts and 560 volts, respectively. the resistance of the trolley wire and rail return is 0.3 ohm per mile. if the car located 4 miles from the 600-volt station draws 200A from

    asked by TOMMY on March 10, 2016
  76. Algebra

    Show all steps The maximum number of volts, E, that can be placed across a resistor is given by the formula E=sq root(PR), where P is the number of watts of piwer that the resistor can absorb and R is the resistance of the resistor in ohms. Solve this

    asked by Betty on October 25, 2011
  77. physics

    resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10

    asked by Nilan - please help on May 18, 2011
  78. physics

    resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10

    asked by Nilan - please help on May 18, 2011
  79. Science

    If the voltage is110 volts and the total resistance is 10, what is the measure of the current in the circuit? Is the answer 10 amps,11 amps, 100 amps, or 120 amps.

    asked by Jenny 2 on May 12, 2014
  80. Science

    Use Ohm’s Law to determine the resistance in a circuit if the voltage is 12.0 volts and the current is 4.0 amps. A.8.0 ohms B. 48 ohms C.3.0 ohms** D.12 ohms

    asked by Hehe ;) on December 11, 2017
  81. physcial science

    If a step-up transformer has a primary coil with 15 turns, how many turns would be required in the secondary coil in order to increase the voltage from 80 volts to 160 volts? A. 8 turns B. 30 turns C. 80 turns D. 160 turns

    asked by sid on October 20, 2015
  82. Calculus 1

    According to Ohm's law, the voltage V, current I, and resistance R in a circuit are related by the equation V=IR, where the units are volts, amperes, and ohms. Assume that voltage is constant with V=12V. Calculate: The ROC of I with respect to R for the

    asked by Bill on September 16, 2010
  83. physics

    In this current of 12 volts, the voltmeter registers a voltage drop of 4 volts across 1 resistor, what is the voltage drop across the other resistor?

    asked by jelly on February 29, 2012
  84. Doogleberry Physcis

    In an L-R-C series circuit, the resistance is 380 Ohms, the inductance is 0.400 H, and the capacitance is 2.00×10−2 uF. What is the resonant frequency of the circuit? (omega naught) The capacitor can withstand a peak voltage of 570 volts. If the voltage

    asked by Doogleberry on September 23, 2012
  85. Physics

    A laser used to weld detached retinas emits light with a wavelength of 652 nm in pulses that are 20 ms in duration. THe average power expended during each pulse is .600 W. (a) How much energy is in each pulse, in joules and electron volts? (b) What is the

    asked by J on April 28, 2008
  86. Science 3

    What is the current in the circuit if R1=7 R 2 =15, and the voltage is 220 volts? Is the answer 10 amps, 12 amps, 20 amps or 242 amps

    asked by Jenny 2 on May 12, 2014
  87. physics

    Four 20 ohm resistors are connected in series and the combination is connected to a 20V emf device. The potential difference across any one of the resistors is: A) 1 V B) 4 V C) 5 V D) 20V E) 80 V So there are four resistors that are 20 ohms. Their

    asked by susane (recheck thxs) on March 15, 2007
  88. Physics

    A large number of AA batteries with emf E=1.5 V and resistors with resistance R form an infinite circuit . The internal resistance of the batteries is r. Thevenin's theorem tells us that this infinite circuit can be replaced by a single source with emf

    asked by Steve on July 13, 2013
  89. physics help pls

    large number of AA batteries with emf E=1.5 V and resistors with resistance R form an infinite circuit . The internal resistance of the batteries is r. Thevenin's theorem tells us that this infinite circuit can be replaced by a single source with emf E_eq,

    asked by Steve on July 14, 2013
  90. Math (Confused, no idea where to begin)

    The voltage V across a charged capacitor is given by V(t) = 2e^-0.16t volts, where t is in seconds (A) what is the voltage V(5) after 5 seconds? Find the time t when the voltage will be 1 volt Enter your answers to two decimal places V(5) approximately

    asked by Picard on October 3, 2014
  91. internationa business operations management

    As the production manager for an electronic circuit company you have encountered the following situation. Part 1 A process for producing electronic circuits has achieved very high yield levels. An average of only 10 defective parts per million is currently

    asked by lisette on August 19, 2010
  92. Physics

    A circuit consists of 5 resistors and 3 batteries (see diagram); the connecting wires have all a negligible resistance. The values for R1 , R2 , R3 , R4 , and R5 are 14 Ω, 41 Ω, 68 Ω, 83 Ω, and 110 Ωrespectively. The batteries have a negligible

    asked by P on March 13, 2013
  93. physics

    An alarm clock uses 5.0 watts of electric power. If the clock is plugged into 120 volts outlet, what electric current is in the clock's circuit?

    asked by FRANNY on April 10, 2012
  94. chemistry - exam practice help!!

    Given the table below predict the numerical value of the standard cell potential for the reaction: 2 Cr(s) + 3 Cu2+(aq) 2 Cr3+(aq) + 3 Cu(s) Half Reaction E (volts) (1) Cr3+ + 3 e- Cr E= -0.74 (2) Cr3+ + e- Cr2+ E=-0.41 (3) Cr2O72- + 14 H+ + 6 e- 2 Cr3+ +

    asked by Anya on December 13, 2012
  95. MITx: 6.002x Circuits and Electronics

    The step response of a circuit is its response to a step input, u(t). Knowing the step response of a linear circuit is extremely valuable as we can figure out the circuit's stability. In this problem we will analyze the circuit in Figure 1 for the output

    asked by sushma on February 8, 2014
  96. Math

    The electric current I in a circuit varies directly as the voltage V. When 21V are applied, the current is 4A. What is the current when 18 volts are applied

    asked by Marie on March 2, 2012
  97. Algebra

    The electric current I in a circuit varies directly as the voltage V. When 21V are applied, the current is 4A. What is the current when 18 volts are applied

    asked by Angie on March 2, 2012
  98. physics

    Two voltmeters, Vright and Vleft, each with an internal resistance of 106 Ω are connected through wires of negligible resistance (see the circuit below). The “+" side of both voltmeters is up as shown. A changing magnetic field is present in the shaded

    asked by sat on April 26, 2013
  99. Physics

    A wire is bent into the shape of an planar Archimedean spiral which in polar coordinates is described by the equation r=bθ. The spiral has N=100 turns and outer radius R=10 cm (R is the distance from point O to point T). Note that in the figure below we

    asked by Steven on July 29, 2013
  100. Circuits

    I have to calculate the voltage across the resistor of an rlc circuit where the 4.7nF capacitor is in parallel with the .200 H inductor for different frequencies (starting with 1000 Hz) They appear at the top of the circuit and they both looked to be in

    asked by Heather on April 9, 2012

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