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The Ultimate Electromagnetic Induction Quiz

Do you know about electromagnetic induction? With this ultimate electromagnetic induction quiz, you can test your knowledge. The production of an electromotive force across an electrical conductor in a changing magnetic field...

Questions: 10 | Attempts: 1692 | Last updated: Aug 24, 2023

Sample Question 1
The North pole of a magnet is pushed into a coil, and a current is induced. Which of the following will NOT change the direction of induced current as measured by an ammeter?

Pulling the North end of the magnet out.

Pushing the south end of the magnet into the coil

Changing the polarity of the ammeter connected to the coil

Pushing the sound end of the magnet into the coil AND changing the polarity

Sample Question 2
Which of the following does not necessarily increase the size of the EMF induced when magnetic north is placed into a coil

Moving the magnet faster

Increasing the number of coils of wire

Pulling the North out of the coil

Sample Question 3
A magnet is placed into a coil. The induced EMF across the coil is 10mV. What would the EMF be if a coil replaced the coil with twice as many coils, and the passage of the magnet into the coil took twice as long.

0mV

5mV

10mV

20mV

40mV