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- 1. Multiple Choice
Cell is a device which
converts chemical energy into electrical energy
electrical energy into light energy
electrical energy into magnetic energy
None of these
- 2. Multiple Choice
A bulb has
two terminals and one filament
two terminals and two filaments
multiple terminals and single filament
single terminal and single filament
- 3. Multiple Choice
Filament of a bulb is made up of
aluminium
chromium
platinum
tungsten
- 4. Multiple Choice
Bulb glows only in
closed circuit
open circuit
in both circuits
open circuit if bulb is not fused
- 5. Multiple Choice
A battery is
a single cell
combination of cells in which cells are joined (+) to (-)
combination of cells in which cells are joined (+) to (+)
None of these
- 6. Multiple Choice
A substance which allows electricity to pass through it is called
a conductor
an insulator
semiconductor
superconductor
- 7. Multiple Choice
Which is an example of an insulator
bakelite
aluminium
tap water
All of these
- 8. Multiple Choice
An example of a conductor is
tap water
salt solution
metal wire
all of these
- 9. Multiple Choice
How many terminals are there in a dry cell?
One
Two
Three
Four
- 10. Multiple Choice
To prevent electric shocks, the metallic electrical wires are covered with
paper
cotton
aluminium
plastic
- 11. Fill in the Blank
An electrical cell has two terminals, a positive and a ……………
- 12. Fill in the Blank
Materials through which current can pass are called ………………….
- 13. Fill in the Blank
Materials through which current cannot pass are called …………………….
- 14. Fill in the Blank
When a switch is off, the circuit becomes ………………..
- 15. Fill in the Blank
We use …………….. to test the conductivity of a material
- 16. Fill in the Blank
A switch either breaks or …………. a circuit.
- 17. Fill in the Blank
Electricity we use in our homes is supplied from a ………………..
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