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An ammeter whose resistance is 180Omega ...

An ammeter whose resistance is 180`Omega` shows full scale deflection when the current is 2 mA. The shunt required to convert into an ammeter reading 20mA is (in ohm )

A

18

B

20

C

`0.1`

D

10

Text Solution

Verified by Experts

The correct Answer is:
B
Ina wheatstone bridge if the galvanometer and battery are interchanged the balancing condition os not disturbed .
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