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In vector form the magnetic induction dB...

In vector form the magnetic induction dB at a point of distance r from centre of element of length dl is given as

A

`dvecB = (mu_(0))/(4pi) (idl sintheta)/(r^(2))`

B

`dvecB= (mu_(0))/(4pi) (Ivecd l xx vecr)/(r^(2))`

C

`d vecB = mu_(0)/(4pi)(I vecr xx vecd l)/(r^(3))`

D

`d vecB= (mu_(0))/(4pi)(I vecd l xx vecr)/(r^(3))`

Text Solution

Verified by Experts

The correct Answer is:
D
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