A battery consists of five dry cells connected in series. If the voltage developed by each cell is 1.5 V, the total voltage developed by the battery is

39,132 results

electricity and electronics

a battery consists of five cells connected in series if the voltage developed by each cell is 1,5 the total voltage developed by the battery is 5 x 1.5 = 7.5 V Battery voltages add when connected in series.

electricity and electronics

a battery consists of 5 dry cells connected in series.if the voltage developed by each cell is 1.5 the total voltage developed by the battery is

physics

1.) Draw a set of 1.5-volt cells in a series circuit so that the total battery voltage is 9 volts. A.) how many cell does it take? B.) show polarity connection. C.) suppose you connected one of the cells in part (a) so that it was backwards. what would the voltage across the ...

physics

1.) Draw a set of 1.5-volt cells in a series circuit so that the total battery voltage is 9 volts. A.) how many cell does it take? B.) show polarity connection. C.) suppose you connected one of the cells in part (a) so that it was backwards. what would the voltage across the ...

math

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). Three batteries are connected in series so that the total voltage is 54 volts. The voltage of the first battery is ...

Physics

a)In the series circuits, what do you notice about the voltage across each resistor compared with the voltage of the battery? (There could be more than one answer) 1.The resistor voltages multiplied together give the battery's voltage 2.The resistor voltages subtract to get ...

electricity and magnetism

a battery and two resistors R1 And R2 are connected in series . if R1 is 340ohms and the voltage across R2 is 39% of the battery voltage,find R2.

Chemistry

A battery is constructed based on the oxidation of magnesium and the reduction of Cu^2+. The initial concentrations of Mg^2+ and Cu^2+ are 1.2*10^-4M and 1.5M, respectively, in 1.0-L half-cells. The initial voltage of the battery is 2.83V with the standard voltage at 2.71V. ...

Physics

Two capacitors of capacitance 10 micro Farad and 12 micro Farad are connected in series with a battery. The voltage across the 12 micro Farad is 10 volts. Compute the total battery voltage.

Physics

A battery charger is connected to a dead battery and delivers a current of 4.5 A for 6.0 hours, keeping the voltage across the battery terminals at 12 V in the process. How much energy is delivered to the battery?

Science

Consider a lead-acid battery with 500 Ah capacity and a rated voltage of 12 V. a)What is the total capacity of energy in watt-hours that can be stored in the battery? b)Assume that the battery is completely empty. The battery is now charging at a C-rate of 0.20C. What is the ...

electronics and circuits

A battery in combination with a dependent current source is connected to a lamp in the circuit shown below in Figure 6-1. The battery is modeled as a voltage source in series with a resistor, Rbat, and has an open circuit voltage of 4V. The lamp turns on if the voltage across ...

physics

Three capacitors are connected to a battery of unknown voltage as shown in the circuit diagram above. The voltage drop across capacitor C 1 is V 1 = 11 . volts. a) What is the effective capacitance of the three capacitors? c) What is the voltage of the battery? d) Which ...

science

A 12V battery has 6cells in series. The E.m.f of the battery is 13.8V and the load drawing 10amp is connected to the battery. THe PD is now 12.0V. Calculate the internal resistance per cell of the battery

Solar Energy

a) Consider a lead acid battery with 100Ah capacity and a rated voltage of 24V. What is the total capacity of energy in Watt-hours that can be stored in the battery? b) Assume that the battery is completely empty. The battery is now charged at a C-rate of 0.50C. What is the ...

Physics

A battery has an internal resistance of 0.42. A number of identical light bulbs, each with a resistance of 31.500, are connected in parallel across the battery terminals. The terminal voltage of the battery is observed to be one-half the emf of the battery. How many bulbs are ...

physics

The voltage across the terminals of a 8.90 V battery is 8.00 V when the battery is connected to a 50.0 \Omega load.What is the battery's internal resistance?

Physics

Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 7.1Ω and 20.9 W, 29.5Ω and 11.4 W, and 13.6Ω and 12.5 W. (a) What is the greatest voltage that the battery can have without one of the ...

physics

a battery with and emf of 12V and an internal resistance of 0.5 ohms, is connected in series to a resistor of 5.0 ohms. what is the terminal voltage (n V) of the battery?

physic

2. Rank the following in the order of how much of a corona discharge they would produce, from highest to least (e.g., if D is highest, then A, C, and B is lowest. enter DACB). Explain your response. a. a large round metal ball hooked to a high voltage battery b. a sharp metal ...

science

2. Rank the following in the order of how much of a corona discharge they would produce; from highest to least (e.g., if D is highest, then A, C, and B are lowest. entering DACB). Explain your response. a. a large round metal ball hooked to a high voltage battery b. a sharp ...

physics

Three identical resistors are connected in series to a battery. The voltage drop across one of the resistors is ___ times the voltage of the source.

PHYSICS

Two capacitors are connected to a battery. The battery voltage is V = 60 V, and the capacitances are C1 = 2.00 μF and C2 = 4.00 μF. Determine the total energy stored by the two capacitors when they are wired (a) in parallel and (b) in series.

physics

A 8 V flashlight battery has an internal resistance of 1.7 Ω when new, and 8 Ω when old. Imagine this is a resistor in series with the battery mounted INSIDE the battery itself, which describes the chemical degradation of the battery with age. Calculate the voltage ...

physics

The current in a 51 resistor is 0.14 A. This resistor is in series with a 28 resistor, and the series combination is connected across a battery. What is the battery voltage?

Physics

1)Several resistors are connected in series. If a battery provides constant voltage in this circuit the addition of another resistor in series a)increases current through each resistor b)decreases current through each resistor c)doesn't affect the current throught any resistor...

Physics

An 8.3 uF and a 2.9 uF capacitor are connected in series across a 24 V battery. What voltage is required to charge a parallel combination of the two capacitors to the same total energy?

Physics

An 8.3 uF and a 2.9 uF capacitor are connected in series across a 24 V battery. What voltage is required to charge a parallel combination of the two capacitors to the same total energy?

Physics

An 8.3 uF and a 2.9 uF capacitor are connected in series across a 24 V battery. What voltage is required to charge a parallel combination of the two capacitors to the same total energy?

Please help asap science

1. An electrical circuit consists of a battery with 2 cells,each with an EMF of 12 volts and an internal resistance of of 0.4 ohms,connected in parallel. An ammeter with an internal resistance of 0.15 ohms is connected in series with resistor Ra=2ohms and Rb=4ohms Calculate ...

circuits

so i have a circuit (series) where the the emf=12 V and R1=2 ohms and R2=0 ohms. Basically, theres's a square. The battery voltage(12V) is on the left side. The R1=2 is on the top side of the square and R2=0 ohms is on the right side of the square. The total current of the ...

physics

so i have a circuit (series) where the the emf=12 V and R1=2 ohms and R2=0 ohms. Basically, theres's a square. The battery voltage(12V) is on the left side. The R1=2 is on the top side of the square and R2=0 ohms is on the right side of the square. The total current of the ...

Circuits

A 3 ohm, a 5 ohm, and a 4 ohm resistor are connected in series across a battery. The voltage drop across a 3 ohm resistor is 6 V. What is the battery voltage?

Physics

Initially a battery circuit consists of a 25 ohm load connected to a battery with 3 ohms of internal resistance and the circuit draws 1.5A of current. What is the terminal voltage and EMF of the batter? How much (%) power is wasted? Please help, this doesn't make sense given ...

Chemistry

How did the net voltage of the two cells connected in series compare to the net voltage of a single why the calculated cell potentials and the observed cell potentials might be different

physics

Three capacitors with C1=C2=C3= 10.00 uF are connected to battery with voltage V= 194 V. What is the voltage across capacitor C1

Physics

A given solar cell has the following specifications: Isc=4A Voc=0.7V 36 identical cells with the above specifications are to be interconnected to create a PV module. 1- What is the open-circuit voltage (in V) of the PV module if all the solar cells are connected in a series ...

PHYSICS

When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.73 A. When the resistors are connected in parallel to the battery, the total current from the battery is 10.1 A. Determine the two resistances.

Solar Energy Please Help

A given solar cell has the following specifications: Isc=4A Voc=0.7V 36 identical cells with the above specifications are to be interconnected to create a PV module. What is the open-circuit voltage (in V) of the PV module if all the solar cells are connected in a series ...

Physics

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...

Physics

A)Two identical resistors are connected in parallel across a 30-V battery, which supplies them with a total power of 7.0 W. While the battery is still connected, one of the resistors is heated so that its resistance doubles. The resistance of the other resistor remains ...

Physics

A)Two identical resistors are connected in parallel across a 30-V battery, which supplies them with a total power of 7.0 W. While the battery is still connected, one of the resistors is heated so that its resistance doubles. The resistance of the other resistor remains ...

Physic II

Suppose a capacitor of C=2.0 uF with no excess charge on it is suddenly connected in series with a resistor of R=447 ohms , and an ideal battery of voltage V=25 V . How long will the capacitor take to gain 80% of the charge it will eventually have when current stops flowing ...

Java

I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when installed as a single,double, or ...

Java

NEED HELP! I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when installed as a single,double...

computer science

I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when installed as a single,double, or ...

JAVA PROGRAMMING

NEED HELP! I would like to create a class for finding the voltages of 1, 2 or even 4 batteries. The Class can be called BatteryVoltage with a default voltage value of 1.5 (AA Battery) Must allow the user to find the total voltage of batteries when installed as a single,double...

Physics

Two resistors have resistances R1 and R2. When the resistors are connected in series to a 12.4-V battery, the current from the battery is 2.13 A. When the resistors are connected in parallel to the battery, the total current from the battery is 9.01 A. Determine R1 and R2. (...

Differential Equations

Question 1 A particle moves on the x-axis with an acceleration , a=(6t-4)ms^-2 . Find the position and velocity of the particle at t=3 , if the particle is at origin and has a velocity of 10ms^-1 when t=0 by using either the method of undetermined coefficient or Laplace ...

physics please help!!

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V Volts. (C is the capacitance and U is the stored energy.) Select true or false for each statement. 1) With the capacitor connected to ...

CIRCUIT

if three resistors are connected in series across a 12 V battery and the voltage drop across one resistor is 3 V and the voltage drop across the second resistor is 7 V, what is the voltage drop across the third resistor?

Physics

A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.2 V when it is delivering 26.0 W of power to an external load resistor R. (a) What is the value of R? (b) What is the internal resistance of the battery?

Physics- HELP PLEASE:)

4.) Three 20-Ù resistors are connected in series to a 9-V battery. What is the voltage difference across each resistor? 5.) Three resistors of 5 Ù, 10 Ù, and 2 Ù are connected in parallel with one another. What is the equivalent resistance of this combination? Enter the ...

Physics -conceptual

A 1 mF, a 2 mF, and a 3 mF capacitor are connected in series, the combination being connected across a 9 volt battery. Which capacitor has the greatest voltage?

Physics

A battery delivering a current of 55.0 A to a circuit has a terminal voltage of 21.8 V. The electric power being dissipated by the internal resistance of the battery is 36 W. Find the emf of the battery.

Physics

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...

Physics

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...

FGS

Two bulbs each of resistance 2.0ohms are connected in parallelwith a battery.calculate the current flowing through any of the bulbs if the voltage of the battery is 0.2v

AP PHYSICS

A 3.0-uF capacitor and a 4.0-uF capacitor are connected in series across a 40.0-V battery. A 10.0-uF capacitor is also connected directly across the battery terminals. Find the total charge that the battery delivers to the capacitors. I NEED HELP WITH THIS PROBLEM. THANKS!

Physics - Electricity

Three resistors (15, 20, 25 ohms in this order) are connected to a 13-V battery . The internal resistance of the battery is negligible. What is the voltage difference across the 20-Ω resistance?

physics

Four resistors are connected to a battery with a terminal voltage of 18.0 V. The resistors are, R1=61, R2=34, R3=90, and R4=11. R1 & R2 are in series, and combined are in parallel with R3, & the combination of R1, R2, & R3 are in series with R4. Find the current in the 34.0 &#...

Science

What is a four-cell battery with the cells connected in series with each other? How would it look like?

Physics

Help me with this question, please How will the total voltage of a string of light bulbs in series change as you add more bulbs to the string? A. The total voltage will decrease B. The total voltage will stay the same C. The total voltage will increase d. You cannot predict ...

Physics

Is true or false- a lamp functioning at peak voltage (AC) will glow with the same brightness when connected to a battery of the same voltage (DC)? PLZ DNT 4GT 2 XPLAIN DA ANSWER

Physics

A battery is used in an experiment and is connected by a 37.5 cm long gold wire with a diameter of 0.590 mm. If the battery has a voltage of 1.70 V and the resistivity of the wire is 2.4×10-8 Ω m, what is the current in the wire?

physics

Three resistors are connected to a 20 V battery as shown. The internal resistance of the battery is negligible. (a) What is the current through the 15 resistance? (b)What is the voltage difference across the 20 resistance?

Physics

The terminal voltage of a battery is 5.0V when 0.55A current is drawn from it, whereas the terminal voltage is 5.7V when a current of 0.180A is drawn. The emf of the battery is? The formula I used was V_(ab) = Emf - I*r First finding the r by taking the differences of voltage ...

physics

Consider a battery that has Vt = 12.0 V when it is not connected to a circuit. When a 10.0- resistor is connected with the battery, the potential difference across the battery’s terminals drops to 10.9 V. What is the internal resistance of the battery?

calculus

A competing technology uses a photovoltaic cell to charge a battery which can then be used to power a LED light. To compare these technologies, we make some reasonable assumptions. We assume the solar cell is 10 cm on a side, and that it has an efficiency of 15%. We assume the...

chemistry

A competing technology uses a photovoltaic cell to charge a battery which can then be used to power a LED light. To compare these technologies, we make some reasonable assumptions. We assume the solar cell is 10 cm on a side, and that it has an efficiency of 15%. We assume the...

Physics

A 12 V battery is connected to 5 mega ohm resistor and a 6 micro farad capacitor and an open switch. After how many seconds will the voltage across the resistor reach 9 V? Suppose the battery is replaced by 12 V ac with a frequency of 60 Hz.Calculate the Irms in the circuit

Physics

A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 5.3 µF, 10.7 µF, and 31.8 µF. Find the voltage across the 31.8-µF capacitor. Please Help!

Physics

A 2.0-ohm resistor is connected in series with a 20.0-V battery and a three-branch parallel network with branches whose resistances are 8.0 ohms each. Ignoring the battery's internal resistance, what is the current in the battery?

physic

three cell of 2.0, .5,1.8v are connected in series. if their battery are connected to an external resistance 4 ohms. calculated the total current flowing in the circuit

Physics

Four capacitors are connected in series with a battery, as in the figure below, where C1 = 3.24 µF, C2 = 6.11 µF, C3 = 12.1 µF, C4 = 25.0 µF, V = 18.4 V. (a) Calculate the capacitance of the equivalent capacitor. µF (b) Compute the charge on C3. µC (c) Find the voltage ...

Physics 112

A battery is connected in series with a R = 0.26 Ω resistor and an inductor, as shown in the figure below. The switch is closed at t = 0. The time constant of the circuit is τ = 0.10 s, and the maximum current in the circuit is I = 8.4 A. Find the following. (a) the ...

physics

A 15-V battery is hooked up to three resistors in series. The voltage drop across the first resistor is 3V and the voltage drop across the sencond resistor is 10V. What is the voltage drop across the last resistor? I don't understand what equation to do for this problem. Thanks.

solar science physics

Consider a lead-acid battery with 500 Ah capacity and a rated voltage of 12 V. What is the total capacity of energy in watt-hours that can be stored in the battery?

phsyics

A light bulb rated by the manufacturer as using and average power of 128.0 W when connected to a 73.0 Hz power source having a maximum voltage of Vmax = 189 V (the effective voltage under these conditions is what is called RMS voltage and is Vrms = 133.6 V), is connected in ...

Physics

1)Several resistors are connected in parallel. If a battery provides constant voltage in this circuit the addition of another resistor in parallel a)increases current through each resistor b)decreases current through each resistor c)doesn't affect the current through any ...

physics

An old battery with an emf of 9.0 V has a terminal voltage of 7.8 V when it is supplying a current of 1.5 mA. What is the internal resistance of the battery?

Physics

A 3.00 uF and a 5.00 uF capacitor are connected in series cross a 30.0V battery. A 7.00 uF capacitor is then connected in parallel across the 3.00 uF capacitor. a)Calculate the equivalent capacitance of the circuit I think the answer is 3.33 uF. b)Determine the voltage across ...

physics

why does the voltage across the thermistor and resistor add up to the voltage of the battery? thanks :)

PHYSICS 2

Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.99 A. When the resistors are connected in parallel to the battery, the total current from...

pHYSICS

Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.99 A. When the resistors are connected in parallel to the battery, the total current from...

Physics

Three capacitors (3.83, 5.89, and 12.9 μF) are connected in series across a 58.0 V battery. Calculate the voltage across the 3.83 μF capacitor.

Physics

Three capacitors (3.83, 5.89, and 12.9 μF) are connected in series across a 58.0 V battery. Calculate the voltage across the 3.83 μF capacitor.

Physics 2

A(n) 78-Ù resistor and a 68-Ù resistor are connected in series across a battery. The voltage across the 78-Ù resistor is 25 V. What is the voltage across the 68-Ù resistor?

Chemistry

Choose the two half-reactions from a table of standard reduction potentials that most closely approximate the reaction that occur within the battery (Pacemaker). What is the standard voltage generated by a cell operating with these half-reactions? (i got +3.85V). The actual ...

Chemistry

Which statement correctly identifies how a lead-storage battery in a car works? A. The battery acts as a galvanic cell as it provides current to the radio. B. The battery acts as a galvanic cell as it is recharged by the alternator. C. The battery acts as an electrolytic cell ...

Easy chemistry

Which statement correctly identifies how a lead-storage battery in a car works? A. The battery acts as a galvanic cell as it provides current to the radio. B. The battery acts as a galvanic cell as it is recharged by the alternator. C. The battery acts as an electrolytic cell ...

physics - conceptual

Three identical capacitors are connected in series to a battery. If a total charge of Q flows from the battery, how much charge does each capacitor carry? A)9Q B)Q/3 C)Q D)3Q E)Q/9

Physics

Batteries are not perfect. Instead they have an "internal resistance, a catch all phrase which describes the internal chemical workings of the battery which prevents it from providing an unchanging voltage regardless ofnits load. A simple model of internal resistance attaches ...

Physics

a. In which case will there be more current in each of three lamps - if they are connected to the same battery in series or in parallel? b. In which case will ther be more voltage across each lamp?

calc 1

An electrical circuit switches instantaneously from a 3 volt battery to a 22 volt battery 8 seconds after being turned on. Sketch on a sheet of paper a graph the battery voltage against time. Then fill in the formulas below for the function represented by your graph.

girls secondary school ikenegbu

a capacitance of 6microfarad and another unknown capacitance are connected in series to a battery, if the potential difference between the battery terminals is 16v while over the unknown capacitance is 6v, find the magnitude of the unknown capacitance, the total energy ...

physics

A battery has an internal resistance of 0.016 and an emf of 9.00 V. What is the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.75 V?

Physics

A battery has an internal resistance of 0.017 Ù and an emf of 9.00 V. What is the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.75 V?

science past year

1.1. A resitance of 1.5ohm is connected in parallel with a resistance of 3 ohm. This combination is connected in series with a resistance of unknown resistance of value R. The circuit is then connected acress a 10 V supply. Calculate: 1.1.1. The value of the resistor R when a ...

Science

A battery of emf 12v nd internal resistance (r) 1.5votls is connected to an external resistance (R) of 3ohms. (1.) Cal, the current flowing in the circuit. (2,) the p.d draw across the 3ohms resitor and the internal resirtance. (3) determine Voltage of the battery and comment ...

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