A uniform magnetic field is restricted within a region of radius, r...

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1. A$0$ in loop one and zero in loop two.
2. B$- \dfrac{d\overset{\to}{B}}{dt}\pi{r}^{2}$ in loop one and $- \dfrac{d\overset{\to}{B}}{dt}\pi{r}^{2}$ in loop two.
3. C$- \dfrac{d\overset{\to}{B}}{dt}\pi{r}^{2}$ in loop one and infinite in loop two.
4. D$- \dfrac{d\overset{\to}{B}}{dt}\pi{r}^{2}$ in loop one and zero in loop two.