railway RRB JE (CBT I + CBT II) Mock Test 2024 Electromagnetic Theory Magnetostatics Application of Ampere's Circuit Law
A solenoid 0.5 m long has 2000 turns of conducting wire. The magnetic induction near the centre of the solenoid is 0.08 T. The current through the solenoid will be approximately :
(µ0 = 4π×10-7 Hm-1)
1
10 A
2
16 A
3
24 A
4
32 A