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Electrical Circuits
Page 6
Questions (428)
In a series current, each circuit has the same:
A. current B. voltage C. capacitance D. resistance If a resistor is added to a
5 answers
asked by
sophie
1,056 views
a. The power of an electric appliance is given by the formula P=I^2R, where I is the current and R is resistance. Use this
2 answers
asked by
Steve
1,008 views
In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the
2 answers
asked by
n
1,009 views
a student wraps 10 coils of copper wire around an iron bolt, and then she connects the end of the wire to a battery next the
1 answer
asked anonymously
72 views
The heating element of a clothes dryer has a resistance of 14 and is connected across a 240 V outlet. What is the current in the
3 answers
asked by
Anonymous
939 views
Suppose that you wish to fabricate a uniform wire out of 0.900 g of copper. Assume the wire has a resistance R = 0.500 , and all
3 answers
asked by
lynette
956 views
the heating element of a coffee maker operates at 120 V and carries a current of 2 A. Assuming that the water absorbs all of the
2 answers
asked by
Ayan
895 views
1)Several resistors are connected in parallel. If a battery provides constant voltage in this circuit the addition of another
2 answers
asked by
Andrea
903 views
How much power is dissipated by each resistor in the figure below, in which V = 24 V and R2 = 15 ?
2 answers
asked by
ananomyus
856 views
Two metallic wires of the same material have the same length but cross-sectinal area is in the ratio of 1:2.they are connected
4 answers
asked by
Abhishek
873 views
3 resistors having the same resistance value are wired in parallel, how does the equivalent resistance compare to the resistance
2 answers
asked by
Skylar
872 views
In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the
2 answers
asked by
n
865 views
please i need help solving this problem, what is the resistance of a resistor if the potential difference across the resistor is
3 answers
asked by
Paulo
857 views
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
2 answers
asked by
Nilan - please help
881 views
Continue from the above. If a 10 ohm resistor is connected in the secondary, the current in the secondary is____ A (give your
2 answers
asked by
Kiara
802 views
1)In a series circuit, each circuit element has the same:
A)current B)voltage C)capacitance D)resistance I got A 2)If a resistor
4 answers
asked by
Jon
1,950 views
The circuit below consists of three identical resistors each with resistance R=7 Ohm, two identical batteries with emfs E=9 V,
47 answers
asked by
Annoyingmous
1,337 views
A 4m long copper wire has a diameter of 2mm and carries a current of 10A.
Determine the ff: a. current density in the wire b.
1 answer
asked by
Zell
1,269 views
010 (part 1 of 5) 10.0 points
A string of 26 identical Christmas tree lights are connected in series to a 120 V source. The
2 answers
asked by
Anonymous
824 views
A lamp (R = 151 ), an electric heater (R = 24 ), and a fan (R = 49 ) are connected in parallel across a 121 V line. What total
2 answers
asked by
chuck
813 views
A 120-V rms voltage at 1000 Hz is applied to a resistor and an inductor in series. If the impedance of this circuit is 110 Ù,
2 answers
asked by
Jen
814 views
A given wire of resistance 10ohm has a length of 5m and a cross sectional area of 4.0*10^-3m^2,calculate the conductivity of the
2 answers
asked by
emily
772 views
A 10 ohm resistor is connected in series with a 15 ohm resistor. If this circuit is connected to a 9 volt battery, what will be
2 answers
asked by
Tim
779 views
Consider the RL circuit shown in the figure, where R = 5.0 Ω and L = 4.6 H. How much energy is stored in the inductor after the
2 answers
asked by
Valerie
766 views
How long will it take, in minutes, for a transformer to transfer 2.3 X 10^6 J of energy from a 120-V circuit to a 345-V circuit
5 answers
asked by
TheShamGod
735 views
A 5 ohms resistor is connected in parallel with the series assemvly of 2 ohms and 3 ohms resistors. The voltage drop across the
3 answers
asked by
Lyn
760 views
#1. Ten Christmas lights are connected in series and plugged into a 120 V wall outlet. Each light is identical and can be
2 answers
asked by
Sam
738 views
A 14-Ω loudspeaker, a 9.0-Ω loudspeaker, and a 3.2-Ω loudspeaker are connected in parallel across the terminals of an
2 answers
asked by
Anonymous
733 views
a copper wire has a diameter of o.5mm and resistivity of 1.6*10power 6 ohm cm.calculate the length of wire which will be
1 answer
asked by
kanika
724 views
A microwave oven uses 1000W of power.The voltage source is 120V. What is the current flowing through the microwave?
2 answers
asked by
chantel
731 views
Here's the question...
A rectangular solid made of carbon has sides lying along the x, y, and z axes, whose lengths are 1.06 cm,
2 answers
asked by
Mel
714 views
Which process will double the power given off by a resistor?
a. Doubling the current while doubling the resistance b. Doubling
1 answer
asked by
R'Angel
726 views
A battery of three cells in series, each of e.m.f 2V and internal resistance 0.5 Ω is connected to a 2 Ω resistor in series
2 answers
asked by
Koffi
724 views
A sinusoidal voltage Δv = (65 V) sin (140t) is applied to a series RLC circuit with L = 100 mH, C = 175 μF, and R = 42 Ω.
(a)
2 answers
asked by
Anonymous
692 views
You have two identical resistors 50kohm each and a 1.5V battery. Which of the following statements are true
a)the current drawn
2 answers
asked by
Andrea
712 views
Two metallic wires X and Y are connected to a series. wire X has length l and radius r . While Y has length 2 l and radius 2 r.
1 answer
asked by
Thejaswini
702 views
Which has a greater total resistance, a series circuit or a parallel circuit and why?
2 answers
asked by
Thi
660 views
please help If a 120 volt line to a socket is limited to 15 amperes by a fuse, will it operate a 1200 watt hair dryer?
yes????
3 answers
asked by
miley
675 views
Two 200 W (120 V) lightbulbs are wired in series, then the combination is connected to a 120 V supply. How much power is
3 answers
asked by
ananomyus
659 views
What is the capacitance of a capacitor that stores 5.2 μC of charge on its plates when a voltage of 4.8 V is applied between
2 answers
asked by
e
654 views
Three resistors A, B, and Care connected in series to a 117-volt source, If Ra = 64 ohms, and E = 40 volts when the current is
2 answers
asked by
Chris
642 views
A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 5.3 µF, 10.7 µF,
2 answers
asked by
Valerie
655 views
A circuit is composed of a capacitor C=3 μF, two resistors both with resistance R=69 Ohm, an inductor L=6.00e-2 H, a switch S,
2 answers
asked by
AAA
643 views
Two capacitor plates are equally and oppositely charged. They are separated by 1.30 cm.
An electron is released from rest at the
2 answers
asked by
Sam
645 views
An air filled parallel plate capacitor initially has a capacitance of C = 4.57 nF.
Then the air gap between the plates is filled
1 answer
asked by
Anonymous
651 views
a series RLC circuit is comprised of a 6.00-mH inductor and a 2.50-muiF capacitor. what is the resonant frequency of this
2 answers
asked by
seema
645 views
Imagine we have two identical batteries with emf = 1.8V and an internal resistance of 0.6 ohms. Now we connect the batteries to
2 answers
asked by
Suzy
633 views
Which has a greater total resistance, a series circuit or a parallel circuit and why?
I know i have repeated this question again,
2 answers
asked by
Thi
593 views
why does current slow down in a series than when in a parallel?
2 answers
asked by
Bee
611 views
A series combination of two resistors of resistance 12 Ù and 8 Ù is connected across a source of emf 24 V. What is the
5 answers
asked by
struggling student
624 views
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