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8. What is the effect of changing the wire in a circuit from a straight short wire to a longer coiled thick wire? A Nothing has changed B. The bulbs became dimmer. C. The bulbs became brighter D. The bulbs turned at the same level of brightness 9. The following are the effects of changing the type of components in a circuit EXCEPT A. Adding number of bulbs and number of batteries, the bulbs glow dimly. B. Changing the type of load with the same power the bulb becomes busted, C. Changing the type load with the same power supply does not affect the circuit D. Adding number of batteries and lessening the number of bulb makes the bulb glows very bright 10. Which statement is CORRECT about electric current powered by a battery? A. It always flows clockwise B. It always flows counterclockwise C.It is used up as it goes around the circuit. D. It does not get used up as it goes around the circuit. 11. Matt was trying to make a circuit for the technology festival. If he was trying to make the electrici goes all the way around the circuit, what type of circuit should he make? A. open circuit C. short circuit B. series circuit D. parallel circuit 12. Andrew put up a Christmas tree and decorated it using series Christmas lights. After several days, he found out that all of the light bulbs failed to function even if there was enough supply o energy from the power source. What do you think is the causeof the light bulb to malfunction? A The switch was turned off. B. One of the light bulbs was busted. C. The bulbs consumed all the power supply D. The power supply is not enough to make all the bulbs light up.​