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Lenz s law of electromagnetic induction states ... - WAEC Physics 1992 Question

Lenz’s law of electromagnetic induction states that
A
electromotive force is induced in a circuit whenever there is a change in the magnetic flux linked with the circuit
B
the induced current in a conductor is in such a direction as to oppose the change producing it
C
the induced e.m.f. in a circuit is proportional to the rate of change of number of lines of force linking the circuit
D
a force is exerted on a current carrying conductor in a magnetic field
correct option: b
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