A(0 50A) moving coil ammet er has a volt age dr op of 0.1V across its terminals at full scale deflection. The external shunt resistance (in milliohms) needed to extend its range to (0 500A) is ______.

A(0 50A) moving coil ammet er has a volt age dr op of 0.1V across its

1.	A(0 50A) moving coil ammet er has a volt age dr op of 0.1V across its terminals at full scale deflection. The external shunt resistance (in milliohms) needed to extend its range to (0 500A) is ______.
A.	0.22 to 0.23
B.	0.21
C.	0.13
D.	0.21 to 0.22
Answer» B. 0.21

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A(0 50A) moving coil ammet er has a volt age dr op of 0.1V across its terminals at full scale deflection. The external shunt resistance (in milliohms) needed to extend its range to (0 500A) is ______.

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