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$$ \varepsilon = -\frac{d\phi_B}{dt} $$
Induced EMF equals the negative rate of change of magnetic flux. $$\phi_B$$ is magnetic flux (in Weber), $$t$$ is time.
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List-I contains four conducting loops lying in the $$XY$$ plane, as shown in the figures. The loops are rotating about $$Z$$ axis passing through the point $$O$$ with time period $$T$$ in clockwise direction. The region $$x>0$$ contains a uniform magnetic field $$B$$ in the $$+z$$ direction. List-II contains the qualitative variation of the induced current $$i(t)$$ for each of these loops. Choose the option which describes the correct match between the entries in List-I to those in List-II.
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