The temperature coefficient of resistanc...

The temperature coefficient of resistance of a wire is 0.00125 per `^@C` At 300 K. its resistance is`1Omega` The resistance of this wire will be `2Omega` at :

`P - VI, Q - III, R - I`

`P - II, Q -V, R - IV`

`P - II, Q - IV, R - V`

`P - VI, Q - II, R - IV`

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The correct Answer is:

Of `m_(A) = m_(B) rArr vec(v)_(B) = -vec(v)_(A) rArr` Graph II ,
`m_(A) gt m_(B) rArr v_(B) gt v_(B) rArr tan theta_(B) gt tantheta_(A) rArr` Graph IV
If `m_(A) lt m_(B) rArr v_(A) gt v_(B) rArr` Graph IV

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