A Circular Loop of Radius R Has 50 Turns $\pi$ AR² Sin

Multiple Choice

A circular loop of radius R has 50 turns.It lies in the xy plane.A time dependent magnetic field where A is a constant,passes through the loop.The EMF induced in the loop is

A) 50 $\pi$ AR² sin ( $\omega$ t)
B) 50 $\pi$ AR² cos ( $\omega$ t)
C) 50 $\pi$$\omega$ AR² sin ( $\omega$ t)
D) 50 $\pi$$\omega$ AR² cos ( $\omega$ t)
E) None of these is correct.