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Question
Changing a current in a coil produces EMF in the same coil. This phenomenon is known as
Changing a current in a coil produces EMF in the same coil. This phenomenon is known as
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Solution
The correct option is B Self induction
Whenever there is a change in current in a coil, the flux linked with itself changes and hence an E.M.F. in opposite direction is induced in the coil itself. This phenomenon is called self-induction.
The red circles in the diagram below represent the opposite E.M.F. induced in the coil due to change in the current through the coil.
Self induction
Whenever there is a change in current in a coil, the flux linked with itself changes and hence an E.M.F. in opposite direction is induced in the coil itself. This phenomenon is called self-induction.
The red circles in the diagram below represent the opposite E.M.F. induced in the coil due to change in the current through the coil.
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