Question

. List any one way to preserve the magnetism of horseshoe magnets.
Answer the following in 30-40 words:
(8x
a) Kartik's phone charger has a plastic coating to cover the wires, wherea
phone charger does not. Explain which charger is safer to use
b) Explain why stars twinkle.
c) Differentiate between rotation and revolution and give one example of
d) Look at the following image and complete the magnetic field lines. Exp
answer.
S
S
N​

Answer 1

Answer:

what is that please tell