PHYSICS LABORATORY EXPERIMENTS >CUSTOM<
8th Edition
ISBN: 9781305751217
Author: Wilson
Publisher: CENGAGE C
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Question
Chapter 24, Problem 1ASA
To determine
The reason for which the resistance is given by
Expert Solution & Answer
Answer to Problem 1ASA
The resistance of a circuit is the ratio between the voltage measured by the voltmeter and the current measured by the ammeter. So the resistance is given by
Explanation of Solution
The potential difference through an electric circuit is measured by using the voltmeter and the amount of flow of current through the circuit is measured by using the ammeter. The ammeter-voltmeter method is used to measure the resistance of the circuit.
Conclusion:
The Ohm’s law is used to measure, current, voltage, and resistance of a circuit if either two of them are given.
Write the expression for Ohm’s law.
Here,
Rearrange the above expression for
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Chapter 24 Solutions
PHYSICS LABORATORY EXPERIMENTS >CUSTOM<
Ch. 24 - Prob. 1ASACh. 24 - Is (a) an ammeter and (b) a voltmeter connected in...Ch. 24 - Why is the Wheatstone bridge called a null...Ch. 24 - When the galvanometer in a Wheatstone bridge...Ch. 24 - For a slide-wire Wheatstone bridge, why should the...Ch. 24 - An ideal ammeter would have zero resistance, and...Ch. 24 - If, in general, R were calculated as R = V/I,...Ch. 24 - (a) Prove that the true resistance R is given by...Ch. 24 - For each of the circuits used in the preceding...Ch. 24 - Why should the wires connecting the resistances...
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