9. Which type of electrical circuit that has two or more switches?
a. series circuit
b. parallel circuit
c. open circuit
d. electricity
10. What type of electrical circuit is used at home?
a. series circuit
b. parallel circuit
c. open circuit
d. closed circuit
11. What will happen if one pathway of a parallel circuit breaks?
a. All appliances will stop working.
b. Destroyed part of parallel circuit won't affect the flow of electricity
c. Electric current flow will surely stop.
d. It will cause too much consumption of electricity
12. What are the two types circuits?
a. parallel and magnetic
b.series and parallel
c.electromagnetic and series
d. electromagnetic and parallel
13. Why light bulbs in series circuit won't light up if one bulb is loosened or busted?
a. Loosened or busted bulb breaks the pathway of electricity
b. Loosened or busted bulb connects the pathway of electricity
c. Loosened or busted bulb causes all bulbs connected will light up
d. Loosened or busted bulb closes the circuit
14. Why do we use a parallel circuit at home?
a. Because the appliances work independently. b. Because they can turn on and off appliances without breaking the other circuits.
c. Because the electric current remains the same in all its parts.
d. All choices mentioned are correct
15. An electric current in a wire coil produces
a. another current
b. a magnetic field
c. a generator
d. a source of voltage
16. Which is true about electromagnets?
a. they are permanent
b. they do not need a battery
c. increasing the number of coils makes the
electromagnet stronger
d. increasing the battery makes the
electromagnet weaker
17. What is an electromagnet?
a. a compass with magnet that tells direction b. a magnet made when electric charges move through a coil of wire
c. a device that produces electric current from energy stored in chemicals
d. a device that can prevent an electric shock
AND YUNG 18 PO IS NASA PICTURE PAKI SAGOT DIN P0
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Answer:
9. B. Parallel Circuit
10. B. Parallel Circuit
11. B.
12. B.
13. A
14. A
15. A
16. D
17. B.
18. Kulang yung choices
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