5. What do you call a closed, continuous path through which electrons flowe
A resistor
B. circuit
6. Which of the following serves as the source of energy in a circuits
C. charge
D. cell
A. bulb
B. switch C. wire
D. battery
7. in a circuit diagram, what does a circle with a cross inside represente
A. a light bulb
B. a battery
C. a motor
D. a wire
8. What do the long straight lines represent in a circuit diagram?
A motors
B. wires
C. light bulbs
D. switches
9. How is a battery represented in a circuit diagram?
A. a circle with a cross inside it
B. a long line and a short line
C. a circle with an M inside it
D. a circle with a cross inside
10. A simple circuit has long coiled wire, 1.5 volts and a bulb. Why does the bulb get dire
A. because the power supply is not enough to light the bulb brighter
B. because the load is too many
C. because the wire is too long
D. because the wire is too short
11. Imagine a simple circuit with one 1.5 volts battery and a bulb. When the 1.5 volts
with a 3 volts battery, what will happen?
A. The bulb gets brighter.
B. The bulb gets dimmer.
C. The bulb stays at the same level of brightness
D. Nothing has changed.
12. Which statement is correct about electric current powered by a battery?
I. It always flows clockwise.
II. It gets used up as it goes around the circuit.
Ill. It does not get used up as it goes around the circuit.
Al
B.
C.IN
D. I, ll and I
13. What needs to be done to this circuit so that the lamp lights up?
B. Add another wire.
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