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What is self-inductance?

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Question: What is self-inductance?

Options:

  1. The ability of a coil to induce EMF in itself
  2. The ability of a coil to induce EMF in another coil
  3. The resistance of a coil to current flow
  4. The capacitance of a coil

Correct Answer: The ability of a coil to induce EMF in itself

Solution: 

Self-inductance is the property of a coil to induce an EMF in itself due to a change in current.

What is self-inductance?

Practice Questions

Q1
What is self-inductance?
  1. The ability of a coil to induce EMF in itself
  2. The ability of a coil to induce EMF in another coil
  3. The resistance of a coil to current flow
  4. The capacitance of a coil

Questions & Step-by-Step Solutions

What is self-inductance?
  • Step 1: Understand that a coil is a wire wound into a spiral shape.
  • Step 2: Know that when electric current flows through the coil, it creates a magnetic field around it.
  • Step 3: Realize that if the current flowing through the coil changes (either increases or decreases), the magnetic field also changes.
  • Step 4: Learn that this change in the magnetic field can induce an electromotive force (EMF) in the same coil.
  • Step 5: Recognize that this ability of the coil to induce EMF in itself due to the change in current is called self-inductance.
  • Self-Inductance – The ability of a coil to generate an electromotive force (EMF) in response to a change in the current flowing through it.
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