What is the direction of the magnetic field around a straight conductor carrying

Practice Questions

Q1
What is the direction of the magnetic field around a straight conductor carrying current, as per the right-hand rule?
  1. Clockwise
  2. Counterclockwise
  3. Radially inward
  4. Radially outward

Questions & Step-by-Step Solutions

What is the direction of the magnetic field around a straight conductor carrying current, as per the right-hand rule?
  • Step 1: Identify the direction of the current in the straight conductor. This is the direction in which positive charge would flow.
  • Step 2: Extend your right hand with your thumb pointing in the direction of the current.
  • Step 3: Curl your fingers around the conductor. Your fingers will naturally curl in a circular motion.
  • Step 4: The direction your fingers curl indicates the direction of the magnetic field around the conductor.
  • Step 5: Note that if the current flows upwards, your fingers will curl counterclockwise around the conductor.
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