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21) A moving coil instrument gives a full scale deflection for a current of 20 mA rith a potential difference of 200 mV across it. Calculate the shunt resistance to se it as an ammeter to get a range of 0 - 500 A. Calculate the series resistance to se it as a voltmeter to get a range of 0- 900 V.

21) A moving coil instrument gives a full scale deflection for a current of 20 mA rith a potential difference of 200 mV across it. Calculate the shunt resistance to se it as an ammeter to get a range of 0 - 500 A. Calculate the series resistance to se it as a voltmeter to get a range of 0- 900 V.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Q1) A moving coil instrument gives a full scale deflection for a current of 20 mA with a potential difference of 200 mV across it. Calculate the shunt resistance to use it as an ammeter to get a range of 0 – 500 A. Calculate the series resistance to use it as a voltmeter to get a range of 0 – 900 V.
Transcribed Image Text:Q1) A moving coil instrument gives a full scale deflection for a current of 20 mA with a potential difference of 200 mV across it. Calculate the shunt resistance to use it as an ammeter to get a range of 0 – 500 A. Calculate the series resistance to use it as a voltmeter to get a range of 0 – 900 V.
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