A slide-wire potentiometer has a battery of 4 Volt and negligible internal resistance. The resistance of slide wire is 100 n and its length is 200 cm. A standard cell of 1.018 Volt is used for standardizing the potentiometer and the rheostat is adjusted so that balance is obtained when the sliding contact is at 101.8 cm. The working current is 20 mA 30 mA 10 mA 40 mA

A slide-wire potentiometer has a battery of 4 Volt and negligible internal resistance. The resistance of slide wire is 100 n and its length is 200 cm. A standard cell of 1.018 Volt is used for standardizing the potentiometer and the rheostat is adjusted so that balance is obtained when the sliding contact is at 101.8 cm. The working current is 20 mA 30 mA 10 mA 40 mA

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 3RQ: Diodes and rectifiers allow current to _________. flow in one direction only flow in both...

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