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A long solenoid has 800 turns per metre ...

A long solenoid has 800 turns per metre length of solenoid A currentof 1.6 A flow through it. The magnetic induction at the end of the solenoid on its axis is

A

`16xx10^-4T`

B

`8xx10^-4T`

C

`32xx10^-4T`

D

`4xx10^-4T`

Text Solution

Verified by Experts

The correct Answer is:
B
`B =(mu_0n I)/(2)`
`B=(4pixx10^-7xx800xx1.6)/(2)=8.10^-4 T`
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