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A current of 50 A is placed through a st...

A current of `50 A` is placed through a straight wire of length `6 cm` then the magnetic induction at a point `5cm` from the either end of the wire is (`1gauss=10^-4T`)

A

2.5 gauss

B

1.25 gauss

C

1.5 gauss

D

3.0 gauss

Text Solution

Verified by Experts

The correct Answer is:
C
`B=(mu_(0))/(4pi) i/r(sin 37^(@)+sin 37^(@))=(10^(-7)xx50)/(4xx10^(-2))xx2xx3/5=1.5xx10^(-4)T=1.5` gauss
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VMC MODULES ENGLISH-MAGNETIC EFFECTS OF CURRENT -LEVEL 1
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