Question

State relation for magnetic force in vector Form.​

Answer 1

Explanation:

The magnetic force is proportional to q and to the magnitude of the vector cross product v × B. In terms of the angle ϕ between v and B, the magnitude of the force equals qvB sin ϕ. The magnetic force on a moving charge reveals the sign of the charge carriers in a conductor.

Answer 2

The magnetic force is a force that come in play when a charge is moving with velocity in the magnetic field a force is act on it. That force is known as magnetic force.

• The vector form of the magnetic force is F = q(v×B), where q is the charge of the particle and moving with velocity v in the magnetic field B.
• Magnetic force is also takes place in the conductor carrying electric charge.
• The value of that force is F = i(l×B) where i is the current flowing in the conductor, l is the displacement length of that conductor where the current is flowing and B is the magnetic field in which the conductor is placed.
• To get the direction magnetic force Fleming's Left hand rule is used.
• In this rule left hand thumb shows the direction of the force, first finger represents the direction of magnetic field and middle finger represents the direction of current.

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