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What is the direction of the induced current when the magnetic field through a l

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Question: What is the direction of the induced current when the magnetic field through a loop decreases?

Options:

  1. Clockwise
  2. Counterclockwise
  3. No current
  4. Depends on the field strength

Correct Answer: Counterclockwise

Solution: 

According to Lenz\'s law, the induced current will flow in a direction that opposes the change, so it will be counterclockwise if the magnetic field decreases.

What is the direction of the induced current when the magnetic field through a l

Practice Questions

Q1
What is the direction of the induced current when the magnetic field through a loop decreases?
  1. Clockwise
  2. Counterclockwise
  3. No current
  4. Depends on the field strength

Questions & Step-by-Step Solutions

What is the direction of the induced current when the magnetic field through a loop decreases?
  • Step 1: Understand that a magnetic field can pass through a loop of wire.
  • Step 2: Recognize that when the magnetic field decreases, it means there is less magnetic force acting through the loop.
  • Step 3: Remember Lenz's law, which states that the induced current will flow in a direction that opposes the change in the magnetic field.
  • Step 4: Since the magnetic field is decreasing, the induced current will try to create a magnetic field that opposes this decrease.
  • Step 5: Determine the direction of the induced current: if the magnetic field is decreasing, the induced current will flow counterclockwise to create a magnetic field that points in the same direction as the original field.
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