Current Electricity 2 Question 16

16. In the circuit shown PR, the reading of galvanometer is same with switch S open or closed. Then

(1999, 2M)

(a) IR=IG

(b) IP=IG

(c) IQ=IG

(d) IQ=IR

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Solution:

  1. As there is no change in the reading of galvanometer with switch S open or closed. It implies that bridge is balanced. Current through S is zero and IR=IG,IP=IQ.


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