A metal wire is connected in the left gap and a semiconductor is connected in the right gap of a meter bridge and the balancing point is found. Both are heated so that change of resistances in them are same. Then the balancing point:

will not shift

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shifts towards left

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shifts towards right

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depends on the rise of temperature

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Solution

The correct option is C shifts towards right
On heating of semiconductor its resistance decreases. Thereby the length required for semiconductor decreases in the wire.
$∴$ The balancing point shifts to the right.

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A metal wire is connected in the left gap and a semiconductor is connected in the right gap of a meter bridge and the balancing point is found. Both are heated so that change of resistances in them are same. Then the balancing point:

The correct option is C shifts towards rightOn heating of semiconductor its resistance decreases. Thereby the length required for semiconductor decreases in the wire.∴ The balancing point shifts to the right.

The correct option is C shifts towards right
On heating of semiconductor its resistance decreases. Thereby the length required for semiconductor decreases in the wire.
$∴$ The balancing point shifts to the right.