Question

A magnet has magnetic moment 10 Am2

. Calculate

magnetic field at a point at a distance of 40 cm from

its centre on the axis of the magnet.​

Answer 1

Answer:

i dont know this question answer

Step-by-step explanation:

sorrysorry really sory

Answer 2

Answer:

Force on a pole of a bar magnet in a magnetic field is given by:

F=μP

2×10−5=40×10−8×P

P=50Am

Magnetic moment of a bar magnet is given by:

M=Pl

40=50×l

l=0.8m

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