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A current-carrying wire is placed in a magnetic field. What is the direction of

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Question: A current-carrying wire is placed in a magnetic field. What is the direction of the force acting on the wire?

Options:

  1. Parallel to the wire
  2. Perpendicular to the wire and field
  3. Opposite to the field
  4. In the direction of the field

Correct Answer: Perpendicular to the wire and field

Solution: 

The force on a current-carrying wire in a magnetic field is given by the right-hand rule and is perpendicular to both the wire and the magnetic field.

A current-carrying wire is placed in a magnetic field. What is the direction of

Practice Questions

Q1
A current-carrying wire is placed in a magnetic field. What is the direction of the force acting on the wire?
  1. Parallel to the wire
  2. Perpendicular to the wire and field
  3. Opposite to the field
  4. In the direction of the field

Questions & Step-by-Step Solutions

A current-carrying wire is placed in a magnetic field. What is the direction of the force acting on the wire?
  • Step 1: Identify the direction of the current in the wire. This is the direction in which positive charges would flow.
  • Step 2: Identify the direction of the magnetic field. This is usually indicated by arrows or lines showing the field's direction.
  • Step 3: Use your right hand to apply the right-hand rule. Point your thumb in the direction of the current (the flow of positive charges).
  • Step 4: Point your fingers in the direction of the magnetic field lines.
  • Step 5: Your palm will face in the direction of the force acting on the wire. This force is perpendicular to both the current and the magnetic field.
  • Magnetic Force on a Current-Carrying Wire – The force experienced by a wire carrying an electric current when placed in a magnetic field, determined by the right-hand rule.
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