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Moving Charges and Magnetism

  1. A galvanometer having a resistance of  8 ohms is shunted by a wire of resistance 2 ohms. If the total current is 1 amp, the part of it passing through the shunt will be
    1. 0.25 amp ​
    2. 0.8 amp
    3. 0.2 amp ​
    4. 0.5 amp
Correct Option: B

Is = I ×
G
= 1 ×
8
=
8
= 0.8 amp
S + G2 + 810



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