4) Which is the following is true about magnets? a) All poles attract other poles b) All poles repel other poles c) Like poles repel, unlike poles attract d) Like poles attract, unlike poles repel

Answer 1

Magnets have both positive and negative poles, like poles (+ and +, or - and -) will repel one another (think of trying to push two fridge magnets together as a kid, they repel each other and it's really hard to get them to touch). Opposite poles (+ and -) will attract each other. The answer is C.