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A square loop of side 2 cm is placed in a time varying magnetic field with magnitude as $$B = 0.4 \sin(300t)$$ Tesla. The normal to the plane of loop makes an angle of $$60°$$ with the field. The maximum induced emf produced in the loop is __________ mV.
$$\text{emf} = -\frac{d\Phi}{dt}$$
$$\Phi = B \cdot A \cdot \cos\theta$$
$$\Phi = [0.4\sin(300t)] \times (4 \times 10^{-4}) \times \cos(60^\circ)$$
$$\Phi = 1.6 \times 10^{-4} \sin(300t) \times \frac{1}{2} = 0.8 \times 10^{-4}\sin(300t)$$
$$\text{emf} = \frac{d\Phi}{dt} = 0.8 \times 10^{-4} \times \cos(300t) \times 300$$
$$\text{emf} = 0.024\cos(300t)\text{ V}$$
$$\text{emf}_{\max} = 0.024\text{ V}$$
$$\text{emf}_{\max} = 0.024 \times 10^3\text{ mV} = 24\text{ mV}$$
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