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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 fro 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

0.2 ohm

B

2 ohm

C

20 ohm

D

2 kohm

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