A resistance R is to be measured using a meter bridge. Student chooses the standared resistance S to be `100 Omega`. He finds the null point at `l_(1)=2.9cm`. He is told to attempt to improve the accuracy. Which of the folllowing is a useful way?A. He should measure `l_(1)` more accurately.B. He should change S to `1000 Omega` and repeat the experiment.C. He should chandge S to `3 Omega` and repeat the experiment.D. He should give up hope of a more accurate measurement with a meter bridge.

A resistance R is to be measured using a meter bridge. Student chooses

1.	A resistance R is to be measured using a meter bridge. Student chooses the standared resistance S to be `100 Omega`. He finds the null point at `l_(1)=2.9cm`. He is told to attempt to improve the accuracy. Which of the folllowing is a useful way?A. He should measure `l_(1)` more accurately.B. He should change S to `1000 Omega` and repeat the experiment.C. He should chandge S to `3 Omega` and repeat the experiment.D. He should give up hope of a more accurate measurement with a meter bridge.
Answer» Correct Answer - C

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