5 Questions
What happens to the current induced in the coil when the North-pole of a bar magnet moves towards the coil?
It flows in a direction that opposes the increase in magnetic flux
What is Lenz's law?
The polarity of induced emf tends to produce a current which opposes the change in magnetic flux that produced it
In Lenz's law, the negative sign represents:
The effect of induced emf opposing the change in magnetic flux
What is the direction of the current in the coil, according to Lenz's law, when the North-pole of a bar magnet moves towards the coil?
Counter-clockwise direction
What did Heinrich Friedrich Lenz deduce in 1834?
A rule known as Lenz's law
Test your understanding of Lenz's Law and the Conservation of Energy with this quiz. Explore the principle that the polarity of induced emf opposes the change in magnetic flux, as deduced by physicist Heinrich Friedrich Lenz.
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