Question

Q49.A 2m long narrow solenoid having 1000 turns is placed in in magnetic
meridian.find the current in solenoid which neutrilise the earth's
horizontal field of 0.36exerted at the centre of the solenoid
a)57.3 milli amp
b)50milli amp
c)88.2 milli amp
d)zero​

Answer 1

Answer:

I hope you are understand