Tha battery with unknown emf and internal resistance r is supplying electrical power of 18 mw.to a single resistor of unknown resistance R. If the total current in the circuit is 3 mA, determine the terminal voltage of the battery. O 54 mv O 6 mv 54 v O 6 v

Tha battery with unknown emf and internal resistance r is supplying electrical power of 18 mw.to a single resistor of unknown resistance R. If the total current in the circuit is 3 mA, determine the terminal voltage of the battery. O 54 mv O 6 mv 54 v O 6 v

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter29: Direct Current (dc) Circuits

Section: Chapter Questions

Problem 19PQ

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Question

No. 2

Tha battery with unknown emf and internal resistancer is supplying electrical power of 18 mw.to a single resistor
of unknown resistance R. If the total current in the circuit is 3 mA, determine the terminal voltage of the battery.
54 mv
O 6 mv
O 54 v
O 6 v

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