A resistance R is to be measured using a meter bridge. A student chooses the standard resistance S to be 100 Ω. He finds the null point at l1 = 2.9 cm. He is told to attempt to improve the accuracy. Which of the following is a useful way to do so?

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Physics · Current Electricity

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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He should change S to 3 Ω and repeat the experiment.

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Answer 1

He should give up hope of a more accurate measurement with a meter bridg e.

Answer 2

He should change S to 3 Ω and repeat the experiment.

Answer 3

He should change S to 1000 Ω and repeat the experiment.

Answer 4

He should measure l1 more accurately.

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