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The resistances in left and right gap of...

The resistances in left and right gap of a meter brigdge are 20 `omega` and 30 `omega` respecitively when the resistance in the left gap is reduced to half its value then balance point shifts by

A

15 cm to the right.

B

15 cm to the left.

C

20 cm to the right.

D

20 cm to the left.

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TARGET PUBLICATION-CURRENT ELECTRICITY -Competitive Thinking
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  2. Resistance in the two gaps of a meter bridge are 10 ohm and 30 ohm res...

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  3. The resistances in left and right gap of a meter brigdge are 20 omega ...

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  5. Two unknown resistances are connected in two gaps of a meter-bridge. T...

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