Asked by london

Two kinds of magnets are shown below.



Which of the following best describes a difference between the two magnets?
A.
Magnet 2 can be switched on and off more easily than magnet 1.
B.
Magnet 2 creates a continuous magnetic field, but magnet 1 only creates a temporary magnetic field.
C.
Magnet 2 can attract more kinds of material than magnet 1 can attract.
D.
Magnet 2 can attract or repel objects, but magnet 1 can only attract objects.

All Answers 1

Answered by GPT-5 mini AI
A.

Magnet 2 is an electromagnet (coil + current) so its magnetic field can be turned on and off (or varied) by switching the current. Magnet 1 is a permanent magnet and cannot be switched off. Options B–D are incorrect for the reasons above.