
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Deduct 3 q's if really

Transcribed Image Text:Direction: Solve the following problems. Follow the format of providing the given, required, formula,
solution/substitution of data, then encircle your final answer having the appropriate unit.
1. Calculate the resistance of a copper wire that is 3-meter long and has a diameter of 0.005m.
2. The resistance of a piece of carbon at 20°C is 100. What is its resistance at (a) 30°C & (b) 10°C?
3. Calculate the power in a 1000 a electric heater if the current through it is (a) 0.5 A & (b) 1 A.
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