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What is the direction of the magnetic field around a current-carrying conductor?

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Question: What is the direction of the magnetic field around a current-carrying conductor? (2019)

Options:

  1. From North to South
  2. From South to North
  3. Clockwise
  4. Counterclockwise

Correct Answer: Counterclockwise

Exam Year: 2019

Solution: 

The direction of the magnetic field around a current-carrying conductor is given by the right-hand rule, which indicates a counterclockwise direction when viewed from the positive current side.

What is the direction of the magnetic field around a current-carrying conductor?

Practice Questions

Q1
What is the direction of the magnetic field around a current-carrying conductor? (2019)
  1. From North to South
  2. From South to North
  3. Clockwise
  4. Counterclockwise

Questions & Step-by-Step Solutions

What is the direction of the magnetic field around a current-carrying conductor? (2019)
  • Step 1: Understand that a current-carrying conductor is a wire through which electric current flows.
  • Step 2: Identify the direction of the electric current. The current flows from the positive side to the negative side.
  • Step 3: Use your right hand to apply the right-hand rule. Point your thumb in the direction of the current (positive to negative).
  • Step 4: Curl your fingers around the wire. The direction your fingers curl shows the direction of the magnetic field lines around the conductor.
  • Step 5: Note that when viewed from the positive current side, the magnetic field direction is counterclockwise.
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