In a meter bridge experiment, the galvanometer shows a null point when jockey is pressed at 40.0 {\cm} using a standard resistance of 100 \\Omega as per the diagram. The least count of the scale used is 1 {\mm}. The unknown resistance is nearly

Correct Answer is : (66.7±0.3)Ω

NEET 2022 Model Paper 3

Question : 37 of 200

Marks: +1, -0

In a meter bridge experiment, the galvanometer shows a null point when jockey is pressed at 40.0‌cm using a standard resistance of 100Ω as per the diagram. The least count of the scale used is 1‌mm. The unknown resistance is nearly

(66.7±0.1)Ω
(66.7±0.3)Ω
(33.3±0.1)Ω
(33.3±0.3)Ω

Validate

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