A triangle loop as shown in the figure is started to being pulled out at \( t=0 \) from a unifor....

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A triangle loop as shown in the figure is started to being pulled out at \( t=0 \) from a uniform magnetic
\( \mathrm{P} \)
field with a constant velocity \( v \). Total resistance of the loop is constant and equals to \( R \). Then the variation of power produced in the loop with time will be:
(1) linearly increasing with time till whole loop comes out
(2) increases parabolically till whole loop comes
\( \otimes \)
\( \otimes \) out
(3) \( P \alpha t^{3} \) till whole loop come out
(4) will be constant with time


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