UPSEE Solved Model Paper 5

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Question : 27 of 150

Marks: +1, -0

The vector form of Biot - Savart Law for a current carrying element is :

→
dB
=
µ0
4π
i
→
dl
sinΦ
r2
→
dB
=
µ0
4π
i
→
dl
×
^
r
r2
→
dB
=
µ0
4π
i
→
dl
×
^
r
r3
→
dB
=
µ0
4π
i
→
dl
×
→
r
r2

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