A battery delivers a current of 2 A when connected to two 8.0 2 resistors in parallel. When one or the two resistors is removed, the current decreases to 1.2 A. Use this information to calculate: i) The internal resistance of the battery. ii) The electromotive force of the battery.

A battery delivers a current of 2 A when connected to two 8.0 2 resistors in parallel. When one or the two resistors is removed, the current decreases to 1.2 A. Use this information to calculate: i) The internal resistance of the battery. ii) The electromotive force of the battery.

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 68P

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Question

Plz solve correctly

A battery delivers a current of 2 A when connected to two 8.0 2 resistors in parallel. When
one or the two resistors is removed, the current decreases to 1.2 A. Use this information to
calculate:
i)
The internal resistance of the battery.
ii)
The electromotive force of the battery.

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