The magnetic flux linked with a coil varies with time t as `phi=at^(2)+bt+c`, where a, b and c are constants. The emf induced in the coil will be zero at a time of

The magnetic flux (phi) linked with the coil depends on time t as phi=at^(n) , where a and n are constants. The emf induced in the coil is e

The magnetic flux (phi) linked with the coil depends on time t as phi=at^(n) , where a and n are constants. The emf induced in the coil is e

The magnetic flux (phi) linked with a coil varies with time (t) as phi=at^(n) , where a and n are constants. The induced emf in the coil is e. Which of the following are correct?

The magnetic flux (phi) linked with a coil depends on time t as phi=at^(n) , where a and n are constants. The emf induced in coil is e . (i) If 0ltnltI,e=0 (ii) If 0ltnltI,een0 and |e| decreases with time (iii) If ngtI,e is constant (iv) If nltI,|e| increases with time

The magnetic flux linked with a coil varies with time as phi=3t^(2)+4t+9 webers. The induced emf at t=2s is

The magnetic flux linked with a coil varies with time t as phi=4t^(2)-12t+7 where phi is in weber and tin second.The induced current is zero at time t equals to

The magnetic flux phi linked with a conducting coil depends on time as phi = 4t^(n) + 6 , where n is positive constant. The induced emf in the coil is e

The magnetic flux phi linked with a conducting coil depends on time as phi = 4t^(n) + 6 , where n is positive constant. The induced emf in the coil is e