Result:
1/10
1. Which device converts chemical energy into electrical energy?
Generator
Fan
Electric Cell
Motor
2/10
2. What do you call a system made by connecting multiple cells in order?
Switch
Battery
Filament
Wire
3/10
3. Which of the following devices can be recharged and reused?
Clock Battery
TV Remote Battery
Mobile Phone Battery
None of these
4/10
4. What is the main advantage of LED bulbs compared to ordinary bulbs?
High price
Low energy loss
Low light
High heat
5/10
5. What is the full form of LED?
Light Energy Device
Light Emitting Diode
Light Electric Diode
Light Energy Diode
6/10
6. What is the arrangement called that allows electricity to flow from the source to the device?
Electric Circuit
Switch
Filament
Insulation
7/10
7. What is a complete circuit through which electricity flows called?
Open Circuit
Closed Circuit
Open Circuit
Break Circuit
8/10
8. The device used to open or close a circuit is:
Battery
Bulb
Wire
Switch
9/10
9. What are materials that allow electricity to pass through them called?
Insulators
Conductors
Cells
Resistors
10/10
10. Which of the following is an example of an electrical conductor?
Plastic
Wood
Copper
Paper