A square loop of side 15 cm being moved towards right at a constant speed of 2 cm/s as shown in figure. The front edge enters the 50 cm wide magnetic field at t = 0. The value of induced emf in the loop at t = 10 s will be :

(1) 0.3 mV 

(2) 4.5 mV 

(3) zero 

(4) 3 mV
                                                         JEE-2024        

Solution:                

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