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The flux linked with a circuit is given by `phi=t^(3)+3t-7` . The graph between time (`x`-axis) and induced emf (`y`-axis) will beA. straight line through originB. straight line with positive interceptC. stairght line with negative interceptD. parabola not through the origin |
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Answer» Correct Answer - D `phi=t^(3)+3t-7` `e=-(dphi)/(dt)=-(3t^(2)+3)` `ev//st` graph: `y=-3x^(2)-3` , this is parabola, not through origin. |
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