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A current-carrying conductor experiences a force in a magnetic field. What is th

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Question: A current-carrying conductor experiences a force in a magnetic field. What is the direction of this force? (2020)

Options:

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

Correct Answer: Perpendicular to both current and field

Exam Year: 2020

Solution: 

According to Fleming\'s left-hand rule, the force on a current-carrying conductor in a magnetic field is perpendicular to both the current and the magnetic field.

A current-carrying conductor experiences a force in a magnetic field. What is th

Practice Questions

Q1
A current-carrying conductor experiences a force in a magnetic field. What is the direction of this force? (2020)
  1. Parallel to the field
  2. Opposite to the field
  3. Perpendicular to both current and field
  4. In the direction of current

Questions & Step-by-Step Solutions

A current-carrying conductor experiences a force in a magnetic field. What is the direction of this force? (2020)
  • Step 1: Understand that a current-carrying conductor is a wire through which electric current flows.
  • Step 2: Recognize that a magnetic field is an area around a magnet where magnetic forces can be felt.
  • Step 3: Learn about Fleming's left-hand rule, which helps determine the direction of the force on the conductor.
  • Step 4: Hold your left hand with your thumb, index finger, and middle finger all at right angles to each other.
  • Step 5: Point your index finger in the direction of the magnetic field (from north to south).
  • Step 6: Point your middle finger in the direction of the current (from positive to negative).
  • Step 7: Your thumb will then point in the direction of the force acting on the conductor.
  • Fleming's Left-Hand Rule – A rule used to determine the direction of force experienced by a current-carrying conductor in a magnetic field, indicating that the force is perpendicular to both the current and the magnetic field.
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