The magnetic flux of `phi` (in weber) in a closed circuit of resistance `3 ohm` varies with time `t ` (in second according to the equation `phi = 2 t^(2) - 10 t` at ` t = 0.25 s`?

The magnetic flux phi (in weber) in a closed circuit of resistance 10 ohm varies with time t (in seconds) according to the equation : phi = 5t^2 - 4t +1 . At t = 0.2 s, the magnitude of the induced e.mf. In the circuit is

The magnetic flux phi (in weber) in a closed circuit of resistance 10 Omega varies with time t ( in second) according to equation phi=5t^2-6t +2 . The magnetic of induced current at t = 0.5 s is

The magnetic flux phi (in weber ) in a closed circuit of resistance 10 Omega varies with time t (in secnod) according to equation phi=6t^(2)-5T+1 . The magnitude of induced current at t=0.25 s is

The magnetic flux phi (in weber ) in a closed circuit of resistance 10 Omega varies with time t (in secnod) according to equation phi=6t^(2)-5T+1 . The magnitude of induced current at t=0.25 s is

The magnetic flux phi (in waber ) in a closed circult of resting 10 Omega varies with t ( in second) according to equation phi = 6t^(2) - 5 t+ 1 . The magnitude of induced at t = 0.25 s .

The flux (in weber) in a closed circuit of a resistance 10Omega varies with time t (in seconds) according to equation phi=12t^(2)-5t+1 . What is the magnitude of induced current at t=0.25 s?

The magnetic flux (phi) in a closed circuit of resistance 20 Omega varies with time (t) according to the equation phi = 7t^(2) - 4t where phi is in weber and t is in seconds. The magnitude of the induced current at t =0.25s is

The magnetic flux (phi) in a closed circuit of resistance 20 Omega varies with time (t) according to the equation phi = 7t^(2) - 4t where phi is in weber and t is in seconds. The magnitude of the induced current at t =0.25s is