alleryA refrigerator magnet is a common example of which type of magnet?
AElectromagnet
BPermanent magnet
CInduced magnet
DCoil magnet
Answer & Solution
Correct answer: B. Permanent magnet
1. A fridge magnet keeps its own field without any current.
2. Such a magnet is called a permanent magnet.
3. An electromagnet needs current flowing in a coil.
_Source: Wikipedia, Magnet, Lead section_
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