The formula for induced $e.m.f.$ in a coil due to change in magnetic flux through the coil is (here $A$ = area of the coil,$B$ = magnetic field).
- A$e = - A \cdot \frac{dB}{dt}$
- B$e = - B \cdot \frac{dA}{dt}$
- C$e = - \frac{d}{dt}(A \cdot B)$
- D$e = - \frac{d}{dt}(A \times B)$
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DifficultJEE MAIN 2023
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