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Horizontal component of earth at a place...

Horizontal component of earth at a place is `3*2xx10^-5T`, and angle of dip is `60^@`. The resultant intensity of earth's field at the place is

A

`3*2xx10^-5T`

B

`6*4xx10^-5T`

C

`1*6xx10^-5T`

D

`12*8xx10^-5T`

Text Solution

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The correct Answer is:
B
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