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