# A Wheatstone bridge requires a change of 10 Ω in the unknown arm of the bridge to produce a change in...

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A Wheatstone bridge requires a change of 10 Ω in the unknown arm of the bridge to produce a change in deflection of 5 mm of the galvanometer. The sensitivity of the galvanometer will be

A) 0.5 mm/ Ω B) 2 Ω/ mm C) Either A or B D) 5 mm/ Ω

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