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If the current in a coil is doubled, the magnetic field strength around the coil

Practice Questions

Q1
If the current in a coil is doubled, the magnetic field strength around the coil will?
  1. Double
  2. Halve
  3. Remain the same
  4. Increase by four times

Questions & Step-by-Step Solutions

If the current in a coil is doubled, the magnetic field strength around the coil will?
  • Step 1: Understand that a coil creates a magnetic field when current flows through it.
  • Step 2: Know that the strength of the magnetic field depends on the amount of current flowing through the coil.
  • Step 3: Remember that if you double the current, you are increasing the flow of electricity through the coil.
  • Step 4: Since the magnetic field strength is directly related to the current, doubling the current will also double the magnetic field strength.
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