A solenoid of 1.5 meter length and 4 cm diameter possesses 10 turn per cm. A current of 5 Amp is flowing through it. The magnetci induction at axis inside the solenoid is
Options:
(a) ` 2pix10^(-3)T`
(b) ` 2pix10^(-5)T`
(c) ` 2pix10^(-2)T`
(d) ` 2pix10^(-5)T`