Magnetism

A small circular loop of area A and resistance R is fixed on a horizontal xy-plane with the center of the loop always on the axis

∧

n

of a long solenoid. The solenoid has m turns per unit length and carries current I counterclockwiseas shown in the figure. The magnetic field due to the solenoid is in

∧

n

direction. List-I gives time dependences of

∧

n

in terms of a constant angular frequency ω. List-II gives the torques experienced by the circular loop at time t=‌

π

6ω

, Let α=‌

A2µ02m2I2ω

2R

.Which one of the following options is correct?