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3. Calculate the power dissipated by the voltmeter R 100V V0-200V and resistor RL, as shown in Fig. when, (a) RL = 2500 and (b) RL = 2MQ. %3D Assume that the voltmeter sensitivity (sometimes called figure of merit) is 10k 2/ V.

3. Calculate the power dissipated by the voltmeter R 100V V0-200V and resistor RL, as shown in Fig. when, (a) RL = 2500 and (b) RL = 2MQ. %3D Assume that the voltmeter sensitivity (sometimes called figure of merit) is 10k 2/ 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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3. Calculate the power dissipated by the voltmeter and resistor RL, as shown in Fig. when, 100V v0-200V R (a) RL = 2500 and (b) RL = 2MQ. Assume that the voltmeter sensitivity (sometimes called figure of merit) is 10k 2/ V. 4. An instrument with /M = 50 µA full-scale deflection and internal resistance RM = 2 k Q is to be extended to a measurement range of 10 mA. %3D 5. A PMMC instrument gives 25mA at full scale reading when a potential difference across its terminals is 75mV. Show that how it can be used (a) as an ammeter for the current measurement in the range of 0–100OA (b) as a 0 - 750V range voltmeter for the voltage measurement. Also, find the multiplying factor of shunt and voltage amplification.
Transcribed Image Text:3. Calculate the power dissipated by the voltmeter and resistor RL, as shown in Fig. when, 100V v0-200V R (a) RL = 2500 and (b) RL = 2MQ. Assume that the voltmeter sensitivity (sometimes called figure of merit) is 10k 2/ V. 4. An instrument with /M = 50 µA full-scale deflection and internal resistance RM = 2 k Q is to be extended to a measurement range of 10 mA. %3D 5. A PMMC instrument gives 25mA at full scale reading when a potential difference across its terminals is 75mV. Show that how it can be used (a) as an ammeter for the current measurement in the range of 0–100OA (b) as a 0 - 750V range voltmeter for the voltage measurement. Also, find the multiplying factor of shunt and voltage amplification.
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