Result:
1/10
1. What is the name for materials that do not allow electricity to pass through?
Conductors
Metals
Insulators
Conductors
2/10
2. Which of the following is an example of an insulator?
Iron
Gold
Dry piece of wood
Water
3/10
3. The plastic coating used to cover electric wires belongs to which category?
Conductor
Insulator
Semiconductor
Metal
4/10
4. Which metal is in a liquid state at normal atmospheric temperature?
Iron
Mercury
Copper
Aluminum
5/10
5. What is the main reason for saying not to touch switches with wet hands?
Switch will get damaged
Risk of shock as water is a conductor
Hand will hurt
Power will go off
6/10
6. Which form of energy causes Amber to attract objects like hair when rubbed on wool?
Magnetic force
Electricity
Gravity
Heat
7/10
7. Which of the following is a Source of Electricity?
Fan
Bulb
Generator
Wire
8/10
8. What is the full form of CFL?
Compact Filament Lamp
Compact Fluorescent Lamp
Common Fluorescent Light
Compact Fluorescent Light
9/10
9. What is the system called where multiple LED bulbs are arranged on a strip?
LED Strip
LED Module
LED Chain
LED Line
10/10
10. What happens if the switch is turned 'OFF' in a circuit?
Circuit becomes closed
Circuit becomes open
Bulb will glow
Battery will heat up