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- 1. Multiple Choice
Which of the following is the source of electricity? Tick.
Accumulator
Food
Hydroelectric power station
Wind
- 2. Multiple Choice
Tool X is one of the sources of electricity. How does tool X functions?
Produce light energy
Transform solar energy into electrical energy
Produce heat energy
Safe energy consumption
- 3. Multiple Choice
Hydroelectric energy is the energy which is generated from ____
wind
the Sun
generator
water
- 4. Multiple Choice
This is the symbol of _____
a switch
a lightbulb
a dry cell
connecting wire
- 5. Multiple Choice
This symbol represents component P, which is
dry cell
connecting wire
switch
lightbulb
- 6. Multiple Choice
In which circuit the bulbs will light up brighter?
X
Y
- 7. Multiple Choice
Which of the following affect the brightness of bulb? Tick the correct answers.
Type of circuit
Number of dry cell
Size of bulb
Number of bulb
- 8. Multiple Choice
What is the type of this electrical circuit?
Parallel circuit
Series circuit
- 9. Multiple Choice
Which bulb will light up the dimmest?
A
B
C
- 10. Multiple Choice
If bulb J is broken, what will happen to the other bulbs? Tick the correct answer.
bulb K lights up
bulb L lights up
bulb K and L do not light up
- 11. Multiple Choice
What is the function of a switch in an electrical circuit?
to light up a bulb
to enable the electrical energy to flow
to complete or break a circuit
to produce electricity
- 12. Multiple Choice
Which bulbs will light up brighter?
A
B
- 13. Multiple Choice
What will be observed when switch S1 is closed?
bulb A lights up
bulb B light up
bulb A and bulb B light up
bulb A and bulb B do not light up
- 14. Multiple Choice
Which of the following shows a proper way to handle electrical appliances?
S
T
None above
- 15. Multiple Choice
What will happen if we connect all the plugs into the same socket? Tick the correct answers.
short circuit
fire
lightning
save electrical energy
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