Three resistors A, B and Care connected in series to a 126-volt dc source. If the resistance at A is 64 ohms and the voltage across resistor B is 40 volts when the current is 0.5 amperes, calculate the power dissipated at resistor B.

Three resistors A, B and Care connected in series to a 126-volt dc source. If the resistance at A is 64 ohms and the voltage across resistor B is 40 volts when the current is 0.5 amperes, calculate the power dissipated at resistor B.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter11: Conduction In Liquids And Gases

Section: Chapter Questions

Problem 8RQ

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Question

Three resistors A, B and C are connected in series to a 126-volt dc source. If the
resistance at A is 64 ohms and the voltage across resistor B is 40 volts when the
current is 0.5 amperes, calculate the power dissipated at resistor B.

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