Question

PO
14: A short Magnetic dipole has magnetic moment 1 Am2. Calculate its magnetic field at
a distance of 10 cm from the centre of magnetic dipole on the axis.​

Answer 1

Answer:

M=1 Am

2

r=10 cm

magnetic induction at the axis

B

axis

=

4π

μo

r

3

M

.

1+3 cos

2

(30

o

)

=

4π

4π×10

−7

(

(0.10)

3

1

)(

2

13

)

=10

−7

(

(0.1)

3

1

)

2

13

B

axis

=5

13

×10

−5

wb/m

2