The temperature of a wire of length 1 m and area of cross section 1 is increased from . If the rod is not allowed to increased in length, the force required will be and |
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a) |
b) |
c) |
d) |
The temperature of a wire of length 1 m and area of cross section 1 is increased from . If the rod is not allowed to increased in length, the force required will be and |
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a) |
b) |
c) |
d) |