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Five coulombs of charge flow through a car stereo every 20s. What is the current? 1. A current of 0.7 A goes through an electric motor for 1 min. How many coulombs of charge flow through it during that time? How many electrons? 2. A current of 12 A flows through an electric heater operating on 120V. What is the resistance of the heater? 3. The light bulb used in an overhead projector has a resistance of 242. Wbat is the current through the light bulb when it is operating on 120V? 4. The resistance of the skin on a persons finger tip is typically about 20,0002. How much voltage would be needed to cause a current of 0.001A to flow in the finger? 5.

Five coulombs of charge flow through a car stereo every 20s. What is the current? 1. A current of 0.7 A goes through an electric motor for 1 min. How many coulombs of charge flow through it during that time? How many electrons? 2. A current of 12 A flows through an electric heater operating on 120V. What is the resistance of the heater? 3. The light bulb used in an overhead projector has a resistance of 242. Wbat is the current through the light bulb when it is operating on 120V? 4. The resistance of the skin on a persons finger tip is typically about 20,0002. How much voltage would be needed to cause a current of 0.001A to flow in the finger? 5.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Five coulombs of charge flow through a car stereo every 20s. What is the current? 1. A current of 0.7 A goes through an electric motor for 1 min. How many coulombs of charge flow through it during that time? How many electrons? 2. A current of 12 A flows through an electric heater operating on 120V. What is the resistance of the heater? 3. The light bulb used in an overhead projector has a resistance of 242. Wbat is the current through the light bulb when it is operating on 120V? 4. The resistance of the skin on a persons finger tip is typically about 20,0002. How much voltage would be needed to cause a current of 0.001A to flow in the finger? 5.
Transcribed Image Text:Five coulombs of charge flow through a car stereo every 20s. What is the current? 1. A current of 0.7 A goes through an electric motor for 1 min. How many coulombs of charge flow through it during that time? How many electrons? 2. A current of 12 A flows through an electric heater operating on 120V. What is the resistance of the heater? 3. The light bulb used in an overhead projector has a resistance of 242. Wbat is the current through the light bulb when it is operating on 120V? 4. The resistance of the skin on a persons finger tip is typically about 20,0002. How much voltage would be needed to cause a current of 0.001A to flow in the finger? 5.
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