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The total intensity of the magnetic fiel...

The total intensity of the magnetic field of the earth at equator is 6.5 unit. What is its value a pole ?

A

2

B

4.5

C

6.5

D

0

Text Solution

Verified by Experts

The correct Answer is:
C
At magnetic pole,
`B_V = B sin phi = B sin 90^(@) = B = 6.5` Unit.
`therefore B_(V) = B therefore B_(V) = 6.5` Unit.
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