Question 4 (a) A PMMC movement with a coil resistance of 250 requires 0.8 mA for full scale deflection. Specify: a. The coil voltage required for full scale deflection. b. The shunt resistance required for a 0-1 A ammeter. c. The multiplier resistance required for a 0-10 V voltmeter. d. Draw both instruments.

Question 4 (a) A PMMC movement with a coil resistance of 250 requires 0.8 mA for full scale deflection. Specify: a. The coil voltage required for full scale deflection. b. The shunt resistance required for a 0-1 A ammeter. c. The multiplier resistance required for a 0-10 V voltmeter. d. Draw both instruments.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 4RQ: What is the difference between a diode and rectifier?

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