A coil has an area of 0.05 m2 & it has 800 turns. It is placed perpendicularly in a magnetic field of strength , `4xx10^(–5) Wb/m^(-2)`. It is rotated through `90^o` in 0.1 sec. The average emf induced in the coil is...
Options:
(a) 0.056 v
(b) 0.046 v
(c) 0.026 v
(d) 0.016 v