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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 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 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 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 experienced by 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 the strength of the magnetic field.
  • Step 4: Remember that if the magnetic field strength increases, the force on the wire also increases.
  • Step 5: If the magnetic field strength is doubled, the force on the wire will also double.
  • Magnetic Force on a Conductor – The force on a current-carrying conductor in a magnetic field is given by the equation 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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