Q21 A PMMC instrument gives 25 mA at full scale reading when a potential difference across its terminals is 32mV. Show that how it can be used (a) as an ammeter for the current measurement in the range of 0 –3 A (b) as a 0 – 510V range voltmeter for the voltage measurement. (c) find the multiplying factor of shunt and AND voltage amplification
Q21 A PMMC instrument gives 25 mA at full scale reading when a potential difference across its terminals is 32mV. Show that how it can be used (a) as an ammeter for the current measurement in the range of 0 –3 A (b) as a 0 – 510V range voltmeter for the voltage measurement. (c) find the multiplying factor of shunt and AND voltage amplification
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter29: Dc Generators
Section: Chapter Questions
Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...
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Q21
A PMMC instrument gives 25 mA at full scale reading when a potential difference across its terminals is 32mV. Show that how it can be used
(a) as an ammeter for the current measurement in the range of 0 –3 A
(b) as a 0 – 510V range voltmeter for the voltage measurement.
(c) find the multiplying factor of shunt and AND voltage amplification
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