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The magnetic induction at a point P whic...

The magnetic induction at a point P which is at a distance of 4 cm from a long current carrying wire is `10^(-8)` T. The induction at a distance 12 cm from same current carrying wire is

A

`1.11 xx 10^(-7)` T

B

`3.33 xx 10^(-9)` T

C

`3 xx 10^(-3)` T

D

`3.3 xx 10^(-7)` T

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT -Critical Thinking Introduction
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  11. A wire of length L carrying a current I is bent into a circle. The mag...

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  16. An electron moving with a uniform velocity along the positive x-direct...

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