Question

The position of point from wire b where net magnetic field is zero due to following current distribution​

Answer 1

Suppose P is the point between the conductors where net magnetic field is zero.

So at P |Magnetic field due to conductor 1| = |Magnetic field due to conductor 2|

μ0

4π

2(5i)

i

=

μ0

4π

2(2i)

(6−x)

⇒

5

x

=

9

6−x

⇒x=

30

7

cm

Hence position from B=6−

30

7

=

12

7

cm

Answer 2

HEYA DUDE .........
ANSWER




,
,
,
,
, EXPLANATION

Suppose P is the point between the conductors where net magnetic field is zero.

So at P |Magnetic field due to conductor 1| = |Magnetic field due to conductor 2|

μ04π2(5i)i=μ04π2(2i)(6−x)⇒5x=96−x⇒x=307cmμ04π2(5i)i=μ04π2(2i)(6−x)⇒5x=96−x⇒x=30/7cm

Hence position from B=6−307=12/7cm


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