(a) zarah yang manakah ion positif?terangkan jawapan anda. (b) zarah yang manakah ion negatif? Terangkan jawapan anda.

(c) Zarah yang manakah adalah neutral? Terangkan jawapan anda.

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two