A resistor with resistance 31.5 Q is connected to the terminals of a voltage source. (a) Calculate the current through the resistor when the voltage is set at 7.00 V. A (b) Calculate the power dissipated by the resistor when the voltage is set at 7.00 V. W (c) If the voltage is doubled, recalculate the power. W

A resistor with resistance 31.5 Q is connected to the terminals of a voltage source. (a) Calculate the current through the resistor when the voltage is set at 7.00 V. A (b) Calculate the power dissipated by the resistor when the voltage is set at 7.00 V. W (c) If the voltage is doubled, recalculate the power. W

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 33P: A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.6 V when it is delivering...

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Question

A resistor with resistance 31.5 Q is connected to the terminals of a voltage source.
(a) Calculate the current through the resistor when the voltage is set at 7.00 V.
A
(b) Calculate the power dissipated by the resistor when the voltage is set at 7.00 V.
W
(c) If the voltage is doubled, recalculate the power.
W

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