Physics · 2022
NEET 2022 · 4 September · Code W6 · Q46
The magnetic flux linked to a circular coil of radius R is φ=2 t^3+4 t^2+2 t+5 Wb The magnitude of induced emf in the coil at t=5 s is
The magnetic flux linked to a circular coil of radius $\displaystyle R$ is
$$\phi=2 t^3+4 t^2+2 t+5 \mathrm{~Wb}
$$
The magnitude of induced emf in the coil at $\displaystyle t=5 \mathrm{~s}$ is
Official answer
(1)
$\displaystyle 192$ V
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