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If the magnetic field strength is doubled, what happens to the force experienced

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Question: If the magnetic field strength is doubled, what happens to the force experienced by a current-carrying conductor? (2022)

Options:

  1. It doubles
  2. It halves
  3. It remains the same
  4. It quadruples

Correct Answer: It doubles

Exam Year: 2022

Solution: 

The force experienced by a current-carrying conductor in a magnetic field is directly proportional to the magnetic field strength. Therefore, if the magnetic field strength is doubled, the force also doubles.

If the magnetic field strength is doubled, what happens to the force experienced

Practice Questions

Q1
If the magnetic field strength is doubled, what happens to the force experienced by a current-carrying conductor? (2022)
  1. It doubles
  2. It halves
  3. It remains the same
  4. It quadruples

Questions & Step-by-Step Solutions

If the magnetic field strength is doubled, what happens to the force experienced by a current-carrying conductor? (2022)
  • Step 1: Understand that a current-carrying conductor is a wire with electric current flowing through it.
  • Step 2: Know that when this wire is placed in a magnetic field, it experiences a force.
  • Step 3: Learn that the strength of this force depends on two things: the strength of the magnetic field and the amount of current in the wire.
  • Step 4: Remember that the relationship between the magnetic field strength and the force is direct, meaning if one increases, the other does too.
  • Step 5: If the magnetic field strength is doubled, it means the force will also double because of this direct relationship.
  • Magnetic Force on a Conductor – The relationship between magnetic field strength, current, and the force on a conductor is described by the formula F = BIL, where F is the force, B is the magnetic field strength, I is the current, and L is the length of the conductor in the field.
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