## Conceptual Physics (12th Edition)

Published by Addison-Wesley

# Chapter 23 - Reading Check Questions (Comprehension) - Page 446-447: 12

#### Answer

If the voltage is halved while the resistance stays the same, the current is halved.

#### Work Step by Step

Current equals voltage divided by resistance. $$Current = \frac{voltage}{resistance}$$ Halving the numerator while keeping the denominator the same will cut the current by a factor of 2. This is discussed on page 434.

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