1. How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of resistance?

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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Arial
12
B IU
川, 三
3
5
1. How much voltage would be necessary to generate 10 amps of current in a
circuit that has 5 ohms of resistance?
2. An electric heater works by passing a current of 100 A though a coiled metal
wire, making it red hot. If the resistance of the wire is 1.1 ohms, what voltage
must be applied to it?
3. A light bulb has a resistance of 5 ohms and a maximum current of 10 A. How
much voltage can be applied before the bulb will break?
4. What happens to the current in a circuit if a 102 resistor is removed and
replaced by a 202 resistor?
!!
日
Transcribed Image Text:Arial 12 B IU 川, 三 3 5 1. How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of resistance? 2. An electric heater works by passing a current of 100 A though a coiled metal wire, making it red hot. If the resistance of the wire is 1.1 ohms, what voltage must be applied to it? 3. A light bulb has a resistance of 5 ohms and a maximum current of 10 A. How much voltage can be applied before the bulb will break? 4. What happens to the current in a circuit if a 102 resistor is removed and replaced by a 202 resistor? !! 日
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