Question

.
A circular loop of radius r is placed in a region
where magnetic field increases with respect to time
as B(t) = at then induced emf in coil :-
(1) Tura (2) 3tr-a (3) 2tr²a (4) 4tr-a​

Answer 1

hwushsjsusbajzjfhdbdifbf

Answer 2

Answer:

$\pi \: ar {}^{2}$