Electricity and Circuits Class 6 MCQs Questions with Answers
I. Choose the correct option.
Question 1.
The material present inside the bulb that glows on heating is called
(a) cell
(b) switch
(c) filament
(d) thick wire
Answer
Answer: (c) filament
Question 2.
Which of these is a conductor?
(a) Rubber
(b) Mica
(c) Copper
(d) Wood
Answer
Answer: (c) Copper
Question 3.
Our body is
(a) a good conductor of electricity
(b) sometimes good and sometimes bad conductor
(c) bad conductor of electricity
(d) none of these
Answer
Answer: (a) a good conductor of electricity
Question 4.
Combination of two or more cells is called
(a) battery
(b) cell
(c) bulb
(d) circuit
Answer
Answer: (a) battery
Question 5.
Rubber is
(a) a semiconductor
(b) a conductor
(c) an insulator
(d) None of these
Answer
Answer: (c) an insulator
Question 6.
A device that breaks the circuit is called:
(a) switch
(b) filament
(c) bulb
(d) battery
Answer
Answer: (a) switch
Question 7.
A bulb has
(a) two terminals and two filaments
(b) two terminals and a filament
(c) multiple terminals and single filament
(d) single terminal and a filament
Answer
Question 8.
The filament of a bulb is made up of
(a) tungsten
(b) platinum
(c) aluminium
(d) chromium
Answer
Answer: (a) tungsten
Question 9.
Which of the following is an insulator?
(a) Bakelite
(b) Aluminium
(c) Tap water
(d) Moist air
Answer
Answer: (a) Bakelite
Question 10.
A bulb lights up only in
(a) a closed circuit
(b) an open circuit
(c) in both
(d) series connection
Answer
Answer: (a) a closed circuit
Question 11.
Which of the following is a non-conductor or electricity?
(a) Battery
(b) Rubber glove
(c) Metal spoon
(d) Coin
Answer
Answer: (b) Rubber glove
Question 12.
Filament of a torch bulb is
(a) a metal case
(b) metal tip at the centre of the base
(c) two thick wires
(d) a thin wire
Answer
Answer: (d) a thin wire
Question 13.
A dry cell has
(a) two terminals
(b) one terminal
(c) three terminals
(d) none of these
Answer
Answer: (a) two terminals
Question 14.
A bulb whose filament is broken is called
(a) fused
(b) glowing
(c) conductor
(d) none of these
Answer
Answer: (a) fused
Question 15.
The thin wire that gives off light is called
(a) current
(b) filament
(c) bulb
(d) cell
Answer
Answer: (b) filament
Question 16.
The direction of flow of an electric current in a conducting wire is from:
(a) negative to positive
(b) positive to negative
(c) sometimes positive and sometimes negative
Answer
Answer: (b) positive to negative
Question 17.
Lead of pencil is
(a) an insulator
(b) a semiconductor
(c) a conductor
(d) none of these
Answer
Answer: (c) a conductor
Question 18.
A filament with low melting point is used in
(a) fuse
(b) electric bulb
(c) electric iron
(d) electric heater
Answer
Answer: (a) fuse
Question 19.
An electrician wears a rubber glove while doing electrical repairs to
(a) save electricity
(b) prevent himself from shock
(e) just make fun
(d) keep away from getting dirty
Answer
Answer: (b) prevent himself from shock
Question 20.
Glass is
(a) a conductor
(b) an insulator
(c) both conductor and insulator
(d) semiconductor
Answer
Answer: (b) an insulator
II. Fill in the Blanks
Question 1.
Gases used in electric bulbs are …………….. gases.
Answer
Answer: Inert
Question 2.
A cell converts …………….. energy into …………….. energy.
Answer
Answer: chemical; electric
Question 3.
The combination of two or more cells in a specific order is called a ……………..
Answer
Answer: battery
Question 4.
A …………….. is a device which makes or breaks the circuit.
Answer
Answer: switch
Question 5.
A closed path made for the flow of electric current is called ……………..
Answer
Answer: circuit
Question 6.
Our body is a good …………….. of electricity.
Answer
Answer: conductor
Question 7.
Substances through which an electric current can pass are called ……………..
Answer
Answer: conductors
Question 8.
Substances through which an electric current cannot pass are called ……………..
Answer
Answer: insulators
Question 9.
We use a …………….. to test the conductivity of a material, i.e., whether it is a conductor or an insulator.
Answer
Answer: conduction tester
Question 10.
Electrical charges that build up on the surface of object being rubbed is called …………….. electricity.
Answer
Answer: static
Question 11.
There is a thin wire inside the bulb which emits light is called …………….. of the bulb.
Answer
Answer: filament
Question 12.
…………….. and …………….. are used for covering electrical wires, plug tops, switches and other electrical appliances.
Answer
Answer: Rubber; plastics
Question 13.
Air is ……………..
Answer
Answer: an insulator
Question 14.
An electric current flows from …………….. terminal of the electric cell to its …………….. terminal.
Answer
Answer: positive, negative
Question 15.
A bulb in which the …………….. is broken is called a …………….. bulb.
Answer
Answer: filament; fused
III. True or False
Question 1.
Electricity is a form of energy.
Answer
Answer: True
Question 2.
In an electric cell, the side with the metal cap is the negative terminal.
Answer
Answer: False
Question 3.
The electric cell produces electric current.
Answer
Answer: True
Question 4.
Gases filled inside the bulb are nitrogen, argon, krypton, etc.
Answer
Answer: True
Question 5.
Electricity can pass through thermo col.
Answer
Answer: False
Question 6.
A fused bulb does not glow.
Answer
Answer: True
Question 7.
When we rub an object with something, it acquires charge.
Answer
Answer: True
Question 8.
Our body is a bad conductor of electricity.
Answer
Answer: False
Question 9.
Both electric cells and the bulbs have one terminal each.
Answer
Question 10.
In an open circuit, electricity cannot flow.
Answer
Answer: True
Question 11.
Electric switches, plugs, sockets, etc., are made of conductors.
Answer
Answer: False
Question 12.
Light bulb was invented by Thomas Alva Edison.
Answer
Answer: True
Question 13.
In a circuit, electric current flows from positive terminal to negative terminal.
Answer
Answer: True
Question 14.
Air is a bad conductor of electricity.
Answer
Answer: True
IV. Match the following
| Column I | Column II |
| 1. Switch | (a) Electric current flows in |
| 2. Bulb | (b) A device which produces electricity |
| 3. Filament | (c) A combination of cells |
| 4. Circuit | (d) Does not allow electricity to pass through it |
| 5. Insulator | (e) Allows electricity to pass through it |
| 6. Conductor | (f) Either breaks or completes a circuit |
| 7. Battery | (g) Converts electricity into light |
| 8. Cell | (h) Glows when electricity passes in it |
| 9. Fused bulb | (i) Is a path of electricity |
| 10. Closed circuit | (j) Does not light up |
Answer
Answer:
| Column I | Column II |
| 1. Switch | (f) Either breaks or completes a circuit |
| 2. Bulb | (g) Converts electricity into light |
| 3. Filament | (h) Glows when electricity passes in it |
| 4. Circuit | (i) Is a path of electricity |
| 5. Insulator | (d) Does not allow electricity to pass through it |
| 6. Conductor | (e) Allows electricity to pass through it |
| 7. Battery | (c) A combination of cells |
| 8. Cell | (b) A device which produces electricity |
| 9. Fused bulb | (j) Does not light up |
| 10. Closed circuit | (a) Electric current flows in |
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