Q1/ For the circuit shown below of Shunt type ohmmeter calculate the value of Im at different values of Rx and R1 as given in table 1

Delmar's Standard Textbook Of Electricity
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ISBN:9781337900348
Author:Stephen L. Herman
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Chapter29: Dc Generators
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Q1/ For the circuit shown below of Shunt type ohmmeter calculate the value of Im at
different values of Rx and R1 as given in table 1
R1
5kQ
Key-A
S1
19 %
Key = Space
XMM2
Rx
26.8 %
Key-A
Rim
V1
12v
500
XMM1
Reading
Rx=1k2
R1=5k2
Im
26.8%
19%
35 %
20%
47%
45%
Open circuit
Short circuit
30%
50%
Explain Why at 4" reading Im equal to full scale deflection current
123
Transcribed Image Text:Q1/ For the circuit shown below of Shunt type ohmmeter calculate the value of Im at different values of Rx and R1 as given in table 1 R1 5kQ Key-A S1 19 % Key = Space XMM2 Rx 26.8 % Key-A Rim V1 12v 500 XMM1 Reading Rx=1k2 R1=5k2 Im 26.8% 19% 35 % 20% 47% 45% Open circuit Short circuit 30% 50% Explain Why at 4" reading Im equal to full scale deflection current 123
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