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If the magnetic field strength is doubled, what happens to the force on a curren

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Question: If the magnetic field strength is doubled, what happens to the force on a current-carrying conductor in that field? (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 on a current-carrying conductor is directly proportional to the magnetic field strength, so if the field strength is doubled, the force also doubles.

If the magnetic field strength is doubled, what happens to the force on a curren

Practice Questions

Q1
If the magnetic field strength is doubled, what happens to the force on a current-carrying conductor in that field? (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 on a current-carrying conductor in that field? (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 main factors: the strength of the magnetic field and the amount of current flowing through the wire.
  • Step 4: Recognize that the relationship between the magnetic field strength and the force on the conductor is direct, meaning if one increases, the other does too.
  • Step 5: If the magnetic field strength is doubled, the force on the conductor will also double.
  • Magnetic Force on Conductors – The relationship between magnetic field strength, current, and the force experienced by a conductor in that field, 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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