A moving coil ammeter gives a full scale deflection for a current i = 250 mA and its coil has a resistance RC = 0.75 Ω. It is provided with a multiplier resistance Rm that allows a voltage measurement of up to 5 V. What is the value of the multiplier resistance? Select one: a. 2.0 Ω b. 19.25 Ω c. 0.5 Ω d. 20.75 Ω
A moving coil ammeter gives a full scale deflection for a current i = 250 mA and its coil has a resistance RC = 0.75 Ω. It is provided with a multiplier resistance Rm that allows a voltage measurement of up to 5 V. What is the value of the multiplier resistance? Select one: a. 2.0 Ω b. 19.25 Ω c. 0.5 Ω d. 20.75 Ω
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
Problem 7RQ: An RC series circuit is connected to a 120-V, 60-Hz power source. The resistor is 25 and has a...
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A moving coil ammeter gives a full scale deflection for a current i = 250 mA and its coil has a resistance RC = 0.75 Ω. It is provided with a multiplier resistance Rm that allows a voltage measurement of up to 5 V.
What is the value of the multiplier resistance?
Select one:
a. 2.0 Ω
b. 19.25 Ω
c. 0.5 Ω
d. 20.75 Ω
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