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A wire of length l and resistance R is stretched so that its length is doubled and the area of cross – section is halved. How will

By Ayla

A wire of length l and resistance R is stretched so that its length is doubled and the area of cross – section is halved. How will its :-

(1) Resistance Change (2)Resistivity Change​

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Ayla

“bhakti kaal hindi sahitya ka savrn yug ha ” iss Pr apna vichaar likhiye​

A type of a sensor used by laundry machine to measure the level of water

Humidity sensor

Pressure sensor

2 thoughts on “A wire of length l and resistance R is stretched so that its length is doubled and the area of cross – section is halved. How will”

  2. Answer:

    The resistance of a wire of length L and resistance R is given by : If a wire of length L and resistance R is stretched so that its length is doubled and the area of cross-section is halved. It means, L’ = 2L and A’ = A/2.

    Explanation:

    Op no.2.

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