Physics · Electromagnetic Induction
Which of the following statements is NOT correct regarding electromagnetic induction?
- 1The magnitude of induced emf in a circuit is equal to the time rate of change of magnetic flux through the circuit.
- 2The magnitude of induced emf in a circuit is equal to the total change of magnetic flux through the circuit.✓
- 3The induced emf can be increased by increasing the number of turns N of a closed coil.
- 4The polarity of induced emf is such that it tends to produce a current which opposes the change in magnetic flux that produced it.
Correct answer
The magnitude of induced emf in a circuit is equal to the total change of magnetic flux through the circuit.
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