Lenz s law of electromagnet states that - WAEC Physics 1998 Question
Lenz's law of electromagnet states that
A
the induced charge is constant for a fixed change of force
B
a force is exerted on a current-carrying conductor in a magnetic field
C
the magnitude of the induced e.m.f in a circuit is proportional to the rate of change of the number of lines of force linking the circuit
D
the induced current in a conductor is in such a direction as to oppose the change producing it
correct option: d
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