Answered: 9. A 225 µH choke coil of negligible…

9. A 225 µH choke coil of negligible resistance is to limit the current through it to 25 mA when 40 V are impressed across it. What is the frequency of the current? *

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 5RQ

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Gear Motor

A gear motor is a combination of a gearbox and an electric motor. This combination of two systems is used for efficient usage of the motor. It makes a cost-effective solution for high torque, low-speed applications. These motors are used in our household as, garage door openers, alarm clocks. In commercial areas, hospital beds, cranes.

Question

9. A 225 µH choke coil of negligible resistance is to limit the
current through it to 25 mA when 40 V are impressed across
it. What is the frequency of the current? *

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