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What is the magnetic field inside a hollow conductor carrying current?

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Question: What is the magnetic field inside a hollow conductor carrying current?

Options:

  1. Zero
  2. Uniform
  3. Varies with distance
  4. Depends on the current

Correct Answer: Zero

Solution: 

According to Ampere\'s law, the magnetic field inside a hollow conductor carrying current is zero.

What is the magnetic field inside a hollow conductor carrying current?

Practice Questions

Q1
What is the magnetic field inside a hollow conductor carrying current?
  1. Zero
  2. Uniform
  3. Varies with distance
  4. Depends on the current

Questions & Step-by-Step Solutions

What is the magnetic field inside a hollow conductor carrying current?
Correct Answer: Zero
  • Step 1: Understand what a hollow conductor is. A hollow conductor is a tube-like object that can carry electric current.
  • Step 2: Know that when electric current flows through a conductor, it creates a magnetic field around it.
  • Step 3: Recognize that the magnetic field is strongest near the surface of the conductor and gets weaker as you move away from it.
  • Step 4: Learn about Ampere's law, which helps us understand the relationship between electric current and magnetic fields.
  • Step 5: Apply Ampere's law to a hollow conductor. Inside the hollow part (the empty space), there is no current flowing.
  • Step 6: Conclude that since there is no current inside the hollow conductor, the magnetic field inside it is zero.
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