Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN: 9780078807213
Author: Paul W. Zitzewitz
Publisher: Glencoe/McGraw-Hill
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Chapter 24, Problem 57A
To determine
To identify: The device obtained by connecting a resistor in shunt with a galvanometer.
Expert Solution & Answer
Answer to Problem 57A
The device obtained by connecting a resistor in shunt with galvanometer is an ammeter.
Explanation of Solution
Given:
A galvanometer with a resistor connected in parallel to it.
Consider the circuit shown in Figure 1. The circuit consists of a galvanometer which can be used to measure small currents. The resistor connected in parallel with the galvanometer is called as “shunt resistor”. This resistor has a value less than the resistance of the galvanometer. It is converted to an ammeter using circuit.
Figure 1
In this circuit, the effective resistance of the coil of the galvanometer is reduced from its original value of around 1000 Ω to a lower value decided by the shunt resistance across the meter. Due to the presence of shunt resistance, more current flows through the shunt resistor than the galvanometer. This produces a corresponding deflection in the meter scale and hence measures the current.
Thus, by connecting a resistor in shunt with the galvanometer, it can be made to work as an ammeter.
Chapter 24 Solutions
Glencoe Physics: Principles and Problems, Student Edition
Ch. 24.1 - Prob. 1PPCh. 24.1 - Prob. 2PPCh. 24.1 - Prob. 3PPCh. 24.1 - Prob. 4PPCh. 24.1 - Prob. 5PPCh. 24.1 - Prob. 6PPCh. 24.1 - Prob. 7PPCh. 24.1 - Prob. 8PPCh. 24.1 - Prob. 9PPCh. 24.1 - Prob. 10SSC
Ch. 24.1 - Prob. 11SSCCh. 24.1 - Prob. 12SSCCh. 24.1 - Prob. 13SSCCh. 24.1 - Prob. 14SSCCh. 24.1 - Prob. 15SSCCh. 24.1 - Prob. 16SSCCh. 24.1 - Prob. 17SSCCh. 24.1 - Prob. 18SSCCh. 24.2 - Prob. 19PPCh. 24.2 - Prob. 20PPCh. 24.2 - Prob. 21PPCh. 24.2 - Prob. 22PPCh. 24.2 - Prob. 23PPCh. 24.2 - Prob. 24PPCh. 24.2 - Prob. 25PPCh. 24.2 - Prob. 26PPCh. 24.2 - Prob. 27PPCh. 24.2 - Prob. 28PPCh. 24.2 - Prob. 29PPCh. 24.2 - Prob. 30PPCh. 24.2 - Prob. 31SSCCh. 24.2 - Prob. 32SSCCh. 24.2 - Prob. 33SSCCh. 24.2 - Prob. 34SSCCh. 24.2 - Prob. 35SSCCh. 24.2 - Prob. 36SSCCh. 24.2 - Prob. 37SSCCh. 24 - Prob. 38ACh. 24 - Prob. 39ACh. 24 - Prob. 40ACh. 24 - Prob. 41ACh. 24 - Prob. 42ACh. 24 - Prob. 43ACh. 24 - Prob. 44ACh. 24 - Prob. 45ACh. 24 - Prob. 46ACh. 24 - Prob. 47ACh. 24 - Prob. 48ACh. 24 - Prob. 49ACh. 24 - Prob. 50ACh. 24 - Prob. 51ACh. 24 - Prob. 52ACh. 24 - Prob. 53ACh. 24 - Prob. 54ACh. 24 - Prob. 55ACh. 24 - Prob. 56ACh. 24 - Prob. 57ACh. 24 - Prob. 58ACh. 24 - Prob. 59ACh. 24 - Prob. 60ACh. 24 - Prob. 61ACh. 24 - Prob. 62ACh. 24 - Prob. 63ACh. 24 - Prob. 64ACh. 24 - Prob. 65ACh. 24 - Prob. 66ACh. 24 - Prob. 67ACh. 24 - Prob. 68ACh. 24 - Prob. 69ACh. 24 - Prob. 70ACh. 24 - Prob. 71ACh. 24 - Prob. 72ACh. 24 - Prob. 73ACh. 24 - Prob. 74ACh. 24 - Prob. 75ACh. 24 - Prob. 76ACh. 24 - Prob. 77ACh. 24 - Prob. 78ACh. 24 - Prob. 79ACh. 24 - Prob. 80ACh. 24 - Prob. 81ACh. 24 - Prob. 82ACh. 24 - Prob. 83ACh. 24 - Prob. 84ACh. 24 - Prob. 85ACh. 24 - Prob. 86ACh. 24 - Prob. 87ACh. 24 - Prob. 88ACh. 24 - Prob. 89ACh. 24 - Prob. 90ACh. 24 - Prob. 91ACh. 24 - Prob. 92ACh. 24 - Prob. 93ACh. 24 - Prob. 94ACh. 24 - Prob. 95ACh. 24 - Prob. 96ACh. 24 - Prob. 97ACh. 24 - Prob. 98ACh. 24 - Prob. 99ACh. 24 - Prob. 100ACh. 24 - Prob. 101ACh. 24 - Prob. 102ACh. 24 - Prob. 103ACh. 24 - Prob. 105ACh. 24 - Prob. 106ACh. 24 - Prob. 107ACh. 24 - Prob. 1STPCh. 24 - Prob. 2STPCh. 24 - Prob. 3STPCh. 24 - Prob. 4STPCh. 24 - Prob. 5STPCh. 24 - Prob. 6STPCh. 24 - Prob. 7STPCh. 24 - Prob. 8STPCh. 24 - Prob. 9STPCh. 24 - Prob. 10STPCh. 24 - Prob. 11STP
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