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A solenoid of length 10 cm and radius 1 ...

A solenoid of length 10 cm and radius 1 cm contains 200 turns and carries a current of 10 A. Find the magnetic field at a point on the axis at a distance of 10cm from the centre.

A

`2 Am`

B

`2pi Am`

C

`4pi Am`

D

`10 pi Am`

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-MAGNETISM AND MATTER -ASSIGNMENT (SECTION A)
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