Can you answer numbers 3, 5, and 6? Thank you! 3. The voltage across a 5-2 resistor is 2 volts. What is the current through the resistor?4.What potential difference must be applied to cause a current of 0.50 A in a circuit havinga resistance of 24-02?5. What is the current in a circuit if 15 C of electric charge move past a given point in10 seconds?6. Assuming total conversion of electrical energy to heat energy, how much heat isproduced by a 20-W heating unit in 6 s?7. A current of 2.0 A exists in a conductor whose terminals are connected across a potentialdifference of 120 V. Compute (a) the total charge transferred in one minute, (b) the work.done in transferring the charge, and (c) the power expended in heating the conductor ifall the electrical energy is converted to heat.8. A storage battery has an EMF of 30 V and an internal resistance 0.25 2. Compare theterminal voltage (a) when it is delivering a current of 8 A and (b) when it is beingcharged with 8 A.9. A coil of wire has a resistance of 20 22 at 20°C and a resistance of 25 2 at 30°C. What isthe temperature coefficient of resistance the wire?

Given data: Resistance (R) = 5 Ω Voltage (V) = 2 V Required: Current (I)

Answered: The voltage across a 5- resistor is 2…

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The voltage across a 5- resistor is 2 volts. What is the current through the resistor?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Can you answer numbers 3, 5, and 6? Thank you!

3. The voltage across a 5-2 resistor is 2 volts. What is the current through the resistor?
4.
What potential difference must be applied to cause a current of 0.50 A in a circuit having
a resistance of 24-02?
5. What is the current in a circuit if 15 C of electric charge move past a given point in
10 seconds?
6. Assuming total conversion of electrical energy to heat energy, how much heat is
produced by a 20-W heating unit in 6 s?
7. A current of 2.0 A exists in a conductor whose terminals are connected across a potential
difference of 120 V. Compute (a) the total charge transferred in one minute, (b) the work.
done in transferring the charge, and (c) the power expended in heating the conductor if
all the electrical energy is converted to heat.
8. A storage battery has an EMF of 30 V and an internal resistance 0.25 2. Compare the
terminal voltage (a) when it is delivering a current of 8 A and (b) when it is being
charged with 8 A.
9. A coil of wire has a resistance of 20 22 at 20°C and a resistance of 25 2 at 30°C. What is
the temperature coefficient of resistance the wire?

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