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

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

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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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