..) A series type ohmmeter, designed to operate with a 9-V battery, the meter movement has an internal resistance of 2000 ohm and requires a current of 100 µA for full scale deflection. The value of R1 is 49KQ. a) calculate the value of R2 required to zero the meter? meter deflection. b) An unknown resistor is connected to the meter causing a 60% Calculate the value of the unknown resistance.

..) A series type ohmmeter, designed to operate with a 9-V battery, the meter movement has an internal resistance of 2000 ohm and requires a current of 100 µA for full scale deflection. The value of R1 is 49KQ. a) calculate the value of R2 required to zero the meter? meter deflection. b) An unknown resistor is connected to the meter causing a 60% Calculate the value of the unknown resistance.

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

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter2: Basic Electricity

Section: Chapter Questions

Problem 21RQ: Describe briefly the method a dry cell battery uses to produce voltage.

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