1. An electric current flows in
A. an insulator
B. a conductor
ca broken circuit
D. any circuit
-2. A group of pupils are gathering materials to build their electric circuit, which mat
allow the electricity to flow between the battery and the buzzer
A. copper wire
B. rubber tube
C. cotton spring
D. wooden rod
3. Which uses electricity to moves
A. electric fan
B. electric stove
C light bulb
D. light switch
-4. Which of the following is NOT a part of a simple electric circuits
A. source of electricity B. conducting wire
C. electromagnet
D. an electric device
5. What do you call a closed, continuous path through which electrons flow
A resistor
B. Circuit C. charge
D. cell
6. Which of the following serves as the source of energy in a circuit?
A. bulb
B. switch C. wire
D. battery
7. In a circuit diagram, what does a circle with a cross inside represent?
A. a light bulb
B. a battery
C. a motor
8. What do the long straight lines represent in a circuit diagram
A. motors
B. wires
C. light bulbs
D. switche
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 bu
dimmer
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
is replaced 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
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