Question

magnetic field due to current through a straight conductor​

Answer 1

Answer:

the answer is

Explanation:

The Magnetic field lines around a straight conductor carrying current are concentric circles whose centres lie on the wire. The direction of magnetic field lines can be determined using Right-Hand Thumb Rule.

Factors affecting the strength of magnetic field around a straight current carrying conductor

1. Magnetic field strength is directly proportional to the magnitude of current flowing in the conductor. i.e.

B∝I

, greater the current in the conductor, stronger will be the magnetic field produced.

2. Magnetic field strength is inversely proportional to the distance from the wire i.e.

B∝1r

, greater the distance from the current carrying conductor, weaker will be the magnetic field.

The following video shows that magnetic lines of forces are concentric circles around a straight current carrying conductor.

Magnetic Field from Electrical Current

Demonstrates that a magnetic field is produced by electric current.

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Answer 2

Answer:

The Magnetic field lines around a straight conductor carrying current are concentric circles whose centres lie on the wire. The direction of magnetic field lines can be determined using Right-Hand Thumb Rule