A metal rod of length 2 m rotates vertically about one of its end with frequency 2 Hz. The horizontal component of earth's magnetic field is `3.14xx 10^(-5)` then emf developed between two ends of road is.....
Options:
(a) `78.87xx 10^(-4) V`
(b) `7.887xx 10^(-4) V`
(c) `78.87xx 10^(-6) V`
(d) 0V