A) straight line through the origin
B) straight line with positive intercept
C) straight line with negative intercept
D) parabola through the origin
E) parabola not through the origin
Correct Answer: E
Solution :
\[\phi ={{t}^{3}}+3t-7\] \[\therefore \]Induced emf \[e=-\frac{d\phi }{dt}=-(3{{t}^{2}}+3)=-3{{t}^{2}}-3\] At \[t=0;\,\,e=-3V\] Therefore, shape of graph will be a parabola not through origin.
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