Electricity and Circuits

1. A Cell is a device which

• A) Electrical energy into magnetic energy

• b) converts chemical energy into electrical energy

• C) electrical energy into light energy

• d) None of these

Tags

NGSS.MS-LS1-2

2. A bulb has

• a) two terminals and one filament

• b) two terminals and two filaments

• c) multiple terminals and single filament

• d) single terminal and single filament

3. Filament of a bulb is made up of

• a) aluminium

• b) chromium

• c) platinum

• d) tungsten

5. Which is an example of an insulator

• A) Bakelite

• B) Plastic

• C) Tap water

• D) All of these

Tags

NGSS.MS-PS2-3

6. To prevent electric shocks, the metallic electrical wires are covered

• A) Paper

• B) Cotton

• C) Aluminium

• D) Plastic

7. An example of a conductor is

• A) Tap water

• B) Salt solution

• C) All of these

• D) Metal wire

Tags

NGSS.MS-PS2-3

8. How many terminals are there in a dry cell?

• A) One

• B) Four

• C) Two

• D) Three

9. A substance which allows electricity to pass through it is called

• A) Insulator

• B) Conductor

• C) Superconductor

• D) Semiconductor

10. A battery is

• A) a single cell

• B)A combination of cells in which cells are joined (+) to (-)

• C) A combination of cells in which cells are joined (+) to (+)

• D) None of these

4. Bulb glows only in

• A) Open circuit

• B) Closed circuit

• C) In both circuits

• D) Open circuit if bulb is not fused