Basic Electricity and Electronics - JSS1 Basic technology Past Questions and Answers - page 1
1
What is the primary focus of this week?
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A
Introduction to programming languages
B
Introduction to electricity
C
Introduction to woodworking
D
Introduction to robotics
2
Which of the following is NOT mentioned as a source of electricity?
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A
Batteries
B
Mains
C
Solar panels
D
Generators
3
What is the function of batteries in providing electricity?
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A
Convert mechanical energy into electrical energy
B
Store and covert chemical energy into electrical energy
C
Distribute electrical energy to homes and businesses
D
Generate electricity from renewable sources
4
What are the mains also known as?
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A
Solar power
B
Electrical grid
C
Wind turbine
D
Hydroelectric dam
5
Which component serves as a backup power source during outages?
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A
Batteries
B
Solar panels
C
Wind turbines
D
Generators
6
What does voltage represent in an electrical circuit?
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A
The flow of electric charge
B
The opposition to electric current flow
C
The electrical potential difference between two points
D
The rate of electron flow in a circuit
7
What is the unit of measurement for current?
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A
Volts (V)
B
Amperes (A)
C
Ohms (Ω)
D
Watts (W)
8
Which source of electricity converts mechanical energy into electrical energy?
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A
Batteries
B
Mains
C
Generators
D
Solar panels
9
What determines the degree to which a material impedes electron flow?
Â
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A
Voltage
B
Current
C
Resistance
D
Conductivity
10
What is the primary function of batteries?
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A
Provide backup power during outages
B
Convert solar energy into electrical energy
C
Store and covert chemical energy into electrical energy
D
Generate electricity from wind
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