How many neutral points can be obtained in a given

Angelique Horne

Angelique Horne

Answered question

2022-05-20

How many neutral points can be obtained in a given plane perpendicular to the length of the two parallel wires conducting current in the same direction? Explain, Neglect earth's magnetic field of a bar magnet NS

Answer & Explanation

hi3c4a2nvrgzb

hi3c4a2nvrgzb

Beginner2022-05-21Added 15 answers

Step 1
The point where the magnetic field value become zero or vanishes and such a point is called a neutral point.
If the current flows in the same direction due to the two wires.
Then the resultant magnetic field due to the two wires at a neutral point is-
B 1 = B 2 μ 0 I 1 2 π ( x d ) = μ 0 I 2 2 π d I 1 ( x d ) = I 2 d
Step 2
The number of neutral points depends on the below given condition
There will be a neutral whose relation is given as
( x d ) I 2 = I 1 d

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