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


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