A moving coil instrument of resistance 10 ohms has a 50 division scale and indicates 1 micro ampere per division. (a) How can this instrument be used to measure current up to 25 mA. (b) How can this instrument be used to measure voltage up to 5 volts.
A moving coil instrument of resistance 10 ohms has a 50 division scale and indicates 1 micro ampere per division. (a) How can this instrument be used to measure current up to 25 mA. (b) How can this instrument be used to measure voltage up to 5 volts.
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter13: Heating Control Devices
Section: Chapter Questions
Problem 28RQ
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