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The resistance of an ammetre is 13Omega ...

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

A

2k`Omega`

B

20`Omega`

C

2`Omega`

D

0.2`Omega`

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