plzzz some1 help me solving this questions...thnx
Attachments:
Answers
Answered by
0
a) magnetic pull of earth attracts the magnet towards the opposite poles respectively
Answered by
0
(b)----> The bar magnet get align in the north south direction because of earth's magnetic field which is produced by a hypothetical bar magnet which is present inside the earth.
(c)-----> Second law of thermodynamics says that efficiency of any engine cannot be 100%. that means it cannot just simply take all the heat from a system and convert it all into useful work.
hope it helps!!
Similar questions