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What is self-induction?
What is self-induction?
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Practice Questions
1 question
Q1
What is self-induction?
Induction of EMF in a coil due to its own changing current
Induction of EMF in a coil due to an external magnetic field
Induction of current in a conductor due to a magnetic field
Induction of voltage in a capacitor
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Self-induction is the phenomenon where a changing current in a coil induces an EMF in the same coil.
Questions & Step-by-step Solutions
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Q
Q: What is self-induction?
Solution:
Self-induction is the phenomenon where a changing current in a coil induces an EMF in the same coil.
Steps: 5
Show Steps
Step 1: Understand that a coil is a wire wound in a loop or spiral.
Step 2: Know that current is the flow of electric charge through the coil.
Step 3: Realize that when the current in the coil changes (either increases or decreases), it creates a changing magnetic field around the coil.
Step 4: Learn that this changing magnetic field can induce an electromotive force (EMF) in the same coil.
Step 5: Understand that this induced EMF can oppose the change in current, which is a key principle of self-induction.
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