A galvanometer with its coil resistance 25 Ω requires a current of 1 mA for its full deflection. In

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Q.29. A galvanometer with its coil resistance 25 Ω requires a current of 1 mA for its full deflection. In order to construct an ammeter to read up to a current of 2 A, the approximate value of the shunt resistance should be :
a. 2.5 x 10-3 Ω b. 1.25 x 10-2 Ω c. 1.25 x 10-3 Ω d. 2.5 x 10-2 Ω
JEE Main 16 Apr 18

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