Lenz's law of electromagnet states that
PHYSICS
WAEC 1998
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 Answer: D. the induced current in a conductor is in such a direction as to oppose the change producing it
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