(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.

What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each

15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?