The magnetic flux linked with a coil (in Wb) is given by the equation

$\phi=5t^2+3t+16$

The magnitude of induced emf in the coil at the fourth second will be

(1) 10 V

(2) 33 V

(3) 43 V

(4) 108 V

$\phi=5t^2+3t+16$

The magnitude of induced emf in the coil at the fourth second will be

(1) 10 V

(2) 33 V

(3) 43 V

(4) 108 V