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The resistance of an ammeter is 13 Omega...

The resistance of an ammeter is `13 Omega` and its scale is graduated for a current upto `100 A`. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto `750 A` by this meter. The value of shunt resistance is

A

1 ohm

B

2 ohm

C

3 ohm

D

4 ohm

Text Solution

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The correct Answer is:
A
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ALLEN -CURRENT ELECTRICITY-EXERCISE-V A
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  18. A galvanometer of resistance 50Omega is connected to a b attery of 3V ...

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