A solenoid of 1.5 m long with inner diamter of 4 cm has three layers of windings of 1000 turns each & carries a current of 2 A. The magnetic flux through a cross section of the solenoid is nearly.....
Options:
(a) `2.5xx 10^(-7) wb`
(b) `6.31 xx10^(-6) wb`
(c) `2.1 xx10^(-6) wb`
(d) `4.1xx 10^(-5) wb`