With a readable handwriting, pls solve completely and explanatory Question 3

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 17SQ
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With a readable handwriting, pls solve completely and explanatory Question 3
Question 3
You wish to increase the capacity of an ammeter
to measure 4A instead of its quarter scale
deflection of 0.5mA. If the internal resistance of
the permanent magnet moving coil meter is 40
Ohms.
a. Draw the circuit diagram to show what is needed
to achieve this purpose?
b. Calculate the value of the resistance that is
needed.
c. Calculate the voltage of the meter
Transcribed Image Text:Question 3 You wish to increase the capacity of an ammeter to measure 4A instead of its quarter scale deflection of 0.5mA. If the internal resistance of the permanent magnet moving coil meter is 40 Ohms. a. Draw the circuit diagram to show what is needed to achieve this purpose? b. Calculate the value of the resistance that is needed. c. Calculate the voltage of the meter
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