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A solenoid of 1.5 metre length and 4.0 c...

A solenoid of 1.5 metre length and 4.0 cm diameter posses 10 turn per cm. A current of 5 ampere is flowing through it. The magnetic induction at axis inside the solenoid is

A

`2pi xx 10^(-3)T`

B

`2pi xx 10^(-3)G`

C

`2pi xx 10^(-7)T`

D

`2pi xx 10^(-7)G`

Text Solution

Verified by Experts

The correct Answer is:
A
`B = mu_(0)ni = 4pi xx 10^(-7)xx 5 xx 10 xx 10^(2) = 2pi xx 10^(-3) T`
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