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Question:

In a coil of resistance $100 \Omega$, a current is induced by changing the magnetic flux through it as shown in the figure. The magnitude of change in flux through the coil is :-

1.  $250 \mathrm{~Wb}$

2. $275 \mathrm{~Wb}$

3. $200 \mathrm{~Wb}$

4.  $225 \mathrm{~Wb}$

Correct Option: 1

Solution: