If a resistance of 20 ohm is connected parallel to a galvanometer of internal resistance 100 ohm, the part of the current in the circuit passes through galvanometer is
A] 1/6 B] 1/4 C] 1/5 D] 1/8

Question

If a resistance of 20 ohm is connected parallel to a galvanometer
of internal resistance 100 ohm, the part of the current in the
circuit passes through galvanometer is
A] 1/6 B] 1/4 C] 1/5 D] 1/8

Ravi Gupta · Accepted Answer

let total current in I,let current through G is I'current across shunt = 5I'I'+5I'= I6I' = II' =I6Hence option (A) is correct

If a resistance of 20 ohm is connected parallel to a galvanometer of internal resistance 100 ohm, the part of the current in the circuit passes through galvanometer is A] 1/6 B] 1/4 C] 1/5 D] 1/8

If a resistance of 20 ohm is connected parallel to a galvanometer of internal resistance 100 ohm, the part of the current in the circuit passes through galvanometer is
A] 1/6 B] 1/4 C] 1/5 D] 1/8