Part B: Direction: Choose the letter of the correct answer. Write your answer on your intermediate pad paper.
6. A circuit that has only one electric flow is A. parallel circuit B. battery circuit C. paper circuit D. series circuit
7. What happens to lights in series if one goes out? A. they all go out B. Every other one goes out C. they stay lit D. they flicker
8. What happens to the intensity or the brightness of the lamps connected in series as more and more lamps are added? A increases B. decreases C. remains the same D. cannot be readicted
9. Two bulbs are connected and plugged to the outlet as shown in the figure. Both bulbs have the same. A current B. voltage C. resistance D. voltage and current
10. In the circuit below, which two elements are connected parallel to each other? A A and B B. B and C C.Cand D D. A and D e
11. Which of the following regulates the voltage of the electricity produced in power plants? A. Generator B. Transformer C. Meters D. Circuit Breaker
12. To save energy at home, which of the following should you do? A Use fluorescent lamp instead of incandescent lamps C. Clean and defrost your refrigerator quarterly B. Iron clothes everyday D. Plug appliances even if they are not in use
13. Why are fuses and circuit breakers used in circuits? A. Fuses and circuit breakers open to the circuit when a large amount of current flows through the circuit. B. Fuses and circuit breakers increase the efficiency of the appliances within the circuit. C. Fuses and circuit breakers insulate the connection in the circuit. D. Fuses and circuit breakers can help out the electrical consumption.
14. Which of the following quantities is equal across all components in a parallel circuit? A. Current B. Voltage C. Resistance D. Both a and b
15. A circuit connection where in there are two or more path is shown. A series B. parallel C. series parallel D. double insulation

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