TS 6th Class Science Bits 12th Lesson Simple Electric Circuits

These TS 6th Class Science Bits with Answers 12th Lesson Simple Electric Circuits will help students to enhance their time management skills.

TS 6th Class Science Bits 12th Lesson Simple Electric Circuits

Question 1.
A filament converts
A) heat energy to light energy
B) light energy to heat energy
C) attraction to repulsion
D) None
Answer:
A) heat energy to light energy

Question 2.
The part of the bulb that glows is ( )
A) tube
B) metal rubber
C) fuse
D) filament
Answer:
D) filament

Question 3.
An electric cell is a source of ( )
A) water
B) filament
C) electricity
D) light
Answer:
C) electricity

Question 4.
Electric generator was invented by ( )
A) Edison
B) Godalming
C) Fardav
D) Oersted
Answer:
C) Fardav

Question 5.
A switch in an electric circuit is used to or the circuit.( )
A) open, close
B) speed up, shows down
C) move up, move down
D) B or C
Answer:
A) open, close

Question 6.
Electricity flows only in a circuit. ( )
A) many
B) open
C) closed
D) double
Answer:
C) closed

Question 7.
Flow of electrons is called ( )
A) electromotive force
C) static electricity
B) current
D) electrolysis
Answer:
B) current

Question 8.
…………. is the source of electricity in a torch light. ( )
A) Solar power
B) Vire
C) Switch
D) Battery
Answer:
D) Battery

Question 9.
A good conductor among the following ( )
A) wax candle
B) iron nail
C) piece of paper
D) pencil lead
Answer:
B) iron nail

Question 10.
An insulator among the following ( )
A) wax candle
B) safety pin
C) iron nail
D) water
Answer:
A) wax candle

Question 11.
The electrical bulb was invented by ( )
A) Marconi
B) Edison
C) Edward
D) Johnson
Answer:
B) Edison

Question 12.
Substances which allow electricity through them are called …………..
A) conductors
B) insulators
C) semi conductors
D) catalysts
Answer:
A) conductors

Question 13.
Substances which do not allow electricity through them are called ( )
A) conductors
B) stoppers
C) insulators
D) rectifiers
Answer:
C) insulators

Question 14.
Thomas Alva Edison used wire as his first filament. ( )
A) tungsten
B) platinum
C) iron
D) aluminium
Answer:
B) platinum

Question 15.
Many times in our houses we observe that though electricity is available some bulbs glow and some don’t glow. What could be the reason for that? ( )
A) Connecting a fused bulb to the circuit.
B) Disconnecting a fused bulb to the circuit.
C) Switch OFF the hoard.
D) Problems in the electricity station.
Answer:
C) Switch OFF the hoard.

Question 16.
The amazing fact about Edison’s invention of electric bulb. ( )
A) He used bamboo filament
B) He used cotton fibre as filament
C) He used tungsten as filament
D) A and B
Answer:
D) A and B

Question 17.
Static electricity was discovered by ( )
A) Gilbert
B) Edison
C) Franklin
D) Thales of Miletus
Answer:
D) Thales of Miletus

Question 18.
Match the following. ( )
1. Metal spring ( ) a) Conductor
2. Plastic ( ) b) Torch light
3. Copper wire ( ) c) Insulator
A) 1 – a, 2 – b, 3 – c
B) 1 – c, 2 – b, 3 – a
C) 1 – b, 2 – c, 3 – a
D)1 – b, 2 – a, 3 – c
Answer:
C) 1 – b, 2 – c, 3 – a

Question 19.
1. The flow of electricity is called current. ( )
2. All the materials are good conductors of electricity.
3. Tungsten filament is used in electric bulb.
Correct sentences from the above
A) 1 & 3 sentences
B) 2 & 3 sentences
C) 1 & 2 sentences
D) All the sentences
Answer:
A) 1 & 3 sentences

Question 20.
The parts that do not belong to torch light. ( )
1. cylindrical barrel
2. bulb
3. switch
4. rod
5. glass cover
6. switch board
7. metal spring
A) 1,2 & 3
B) 3,4,& 5
C) 4,5 & 6
D) 4 & 6
Answer:
D) 4 & 6

Question 21.
Match the following.
1. Live and neutral ( ) a) Insulator
2. Eraser ( ) b) Conductor
3. Safety pin ( ) c) Wire supply
A) 1 – a, 2 – b, 3 – c
B) 1 – c, 2 – a, 3 – b
C) 1 – b, 2 – a,3 – c
D) 1 – b, 2 – c, 3 – a
Answer:
B) 1 – c, 2 – a, 3 – b

Question 22.
One of the parts that do not belong to the electric bulb ( )
1. Terminal cap
2. Switch
3. Metal cap
4. Fuse
5. Filament
6. Glass chamber
A) 1 & 2
B) 2 & 4
C) 5 & 4
D) 3 & 4
Answer:
B) 2 & 4

Question 23.
The difference between modern bulb and the bulb invented by Thomas Alva Edison. ( )
A) Arranging fuse
B) Designing wires
C) Fixing switch board
D) Tungsten filament
Answer:
D) Tungsten filament

Question 24.
Why should we use copper or aluminium wires to make the electric circuit?
A) They are good conductors of electricity
B) They are moderate conductors of electricity
C) They are bad conductors of electricity
D) They are insulators of electricity
Answer:
A) They are good conductors of electricity

Question 25.
If you use eraser in the place of pen cell (small battery) as a source of electricity, the bulb ………… ( )
A) will glow
B) will glow with dimlight
C) never glow
D) will glow with bright light
Answer:
C) never glow

Question 26.
Find out the odd one regarding current of flow through the substances
A) piece of chalk
B) paper ( )
C) match stick
D) iron nail
Answer:
D) iron nail

Question 27.
When the circuit is closed it provides ( )
A) incomplete flow of electricity
B) complete open of electricity
C) complete path for electricity
D) irregular path for electricity
Answer:
C) complete path for electricity

Question 28.
Why do we cover the wires with plastic covering? ( )
A) plastic is good conductor of electricity
B) plastic is good insulator
C) plastic doesn’t stop electricity
D) A and B
Answer:
B) plastic is good insulator

Question 29.
Why does the bulb not glow when the safety pin is left free at one end?
A) The circuit is connected
B) The switch is ON ( )
C) The circuit is interconnected
D) The circuit is opened
Answer:
D) The circuit is opened

Question 30.
Find out the wrong sentence ( )
A) Aluminium is a good insulator
B) Copper is a good conductor of electricity
C) Flow of electrons is called current
D) Tungsten is used as filament in bulbs
Answer:
A) Aluminium is a good insulator

Question 31.
Find the odd one out regarding conductors and insulators of electricity ( )
A) Match stick
B) Divider from geometry box
C) Chalk piece
D) Paper
Answer:
B) Divider from geometry box

Reason : Divider from geometry box is a metal.
It works as good conductor of electricity remaining 3 are insulators.

Question 32.
1 – Substances which do not allow electricity through them are called insulators.
2 – All the materials are insulators ( )
A) Both sentences are correct
B) Sentence – 1 is wrong, Sentence – 2 is correct
C) Sentence 1 & 2 are wrong
D) Sentence – 1 is correct, Sentence – 2 is wrong
Answer:
D) Sentence – 1 is correct, Sentence – 2 is wrong

Question 33.
If you want to ask any question about one of the following which one is relevant? ( )
A) What makes the bulb glow?
B) What does a torch consist of?
C) A & B
D) Where do we see torch switches?
Answer:
C) A & B

Question 34.
Guess the reasons for not glowing the bulb in a torch light ( )
1. Fuse in the bulb melted
2. Batteries discharged
3. Wires not working properly
4. Switch is not working properly
A) 1,2
B) 1,2,3
C) 3,2
D) All of the above
Answer:
D) All of the above

Question 35.
You have observed the torch cell. What were the parts observed by you?
1. carbon rod
2. metal cap
3. sealed can
4. chemicals
5. ‘+‘&‘—‘signs ( )
A) 1, 2, 3, & 4 parts
B) 1, 2 & 5 parts
C) 1,2,3,4, & 5 parts
D) 2,4 & 5 parts
Answer:
C) 1,2,3,4, & 5 parts

Question 36.
If you want to make a simple electric circuit what are the materials required? ( )
1 – cell holder
2 – wire
3 – bulb
4-fuse
5-board
A) 1,2 & 3
B) 2,3 & 4
C) 1,2 & 4
D) 1 & 4
Answer:
A) 1,2 & 3

Question 37.
You made an electric switch with the help of following material
A) wooden plank
B) safety pin ( )
C) drawing pins
D) all the above
Answer:
D) all the above

Question 38.
Circuit is connected on a wooden plank as shown in the figure. One end of the safety pin is in contact with ‘B’ and the other end is left free. ( )

A) The bulb will glow
B) The bulb will not glow
C) The bulbs never glows
D) The switch board will glow
Answer:
B) The bulb will not glow

Question 39.

Object	Material name	Does the bulb glow (Yes/No)
Iron nail	P	Q
Safety pin	Metal	Yes
Glass bangle	Glass	No

What type of material is that iron nail ? Does the bulb glow while connecting with wire, cells and bulb ? Give answers for P and Q
A) P – metal, Q – Yes
B) P – Plastic, Q – Yes
C) P – metal, Q – No
D) P – rubber, Q – Yes
Answer:
A) P – metal, Q – Yes

Question 40.
What are the insulators you see in your school? ( )
A) Eraser
B) Chalk piece
C) Paper
D) All the given
Answer:
D) All the given

Question 41.
If you want to find the material whether it is conductor or insulator what should you do? ( )
A) To keep them in water
B) To keep them in light
C) To allow electric current through them
D) Not to allow electric current through them
Answer:
C) To allow electric current through them

Question 42.
Read the following lines and answer the question.
electric circuit provides a complete path for electricity to flow between cell andi the bulb. What provides flow of current? ( )
A) electric circuit
B) battery
C) bulb
D) wire
Answer:
A) electric circuit

Read the given paragraph. Answer the following questions (43-46)

Thomas Alva Edison began experimenting with different materials while searching for a better choice of filament. He tried cotton thread coated with soot. This filament burned continuously for 45 hours. He tried different kinds of thread. One summer day he saw a man fanning himself with a bamboo fan.

An idea striked his curious mind – “Well, why not try bamboo fiber as a filament?” He executed his idea and amazingly the bamboo filament burned continuously for a number of days. Finally he succeeded in making a cotton filament that was even better than the bamboo one.

Question 43.
What did Edison use as filament in his first experiment? ( )
A) Tungsten
B) Cotton thread
C) Cotton thread with fuse
D) iron nail
Answer:
B) Cotton thread

Question 44.
What was coated on cotton thread used by Alva Edison in order to prepare the filament? ( )
A) soot and oil
B) soot and metal
C) bamboo and soot
D) soot
Answer:
D) soot

Question 45.
How long did the cotton filament burn in the device? ( )
A) For 45 hours
B) For 45 minutes
C) For 45 seconds
D) For 45 days
Answer:
A) For 45 hours

Question 46.
What made Edison to bring a good material for filament instead of using cotton thread? ( )
A) Use of Tungsten by a man
B) Use of Mango leaves by a man
C) Use of Bamboo fan by a man
D) Use of Bamboo hut by a man
Answer:
C) Use of Bamboo fan by a man

Read the given table and answer the questions that follow.

Object	Material	Does the bulb glow
Metal bangle Glass bangle Paper clip Chalk piece	metal glass metal lime stone	Yes No Yes No

Question 47.
What do you say about the given table?
A) All the materials are conductors of electricity.
B) All the materials are insulators of electricity.
C) All the materials are good heaters.
D) Some materials are good conductors and some materials are insulators.
Answer:
D) Some materials are good conductors and some materials are insulators.

Question 48.
What are good conductors of electricity based on the table? ( )
A) metal bangle
B) glass bangle
C) chalk piece
D) paper
Answer:
A) metal bangle

Question 49.
Metal paper clip is a ( )
A) good conductor of electricity
B) insulator
C) bad conductor of electricity
D) good restrictor of electricity
Answer:
A) good conductor of electricity

Read the given paragraph. Answer the questions that follow
Torch consists a hollow cylindrical barrel in which cells are fitted. At one end the lid with screw which can be opened and closed.

Question 50.
Where are the cells fitted in a torch? ( )
A) on the switch board
B) in the hollow cylindrical barrel
C) A & B
D) in front of the barrel
Answer:
B) in the hollow cylindrical barrel

Question 51.
When does the bulb glow? ( )
A) when switch is ON
B) completed the circuit
C) circuit is incompleted
D) A & B
Answer:
D) A & B

Question 52.
Label the part that is indicated with ’?’ mark

A) copper wire
B) iron filament ( )
C) tungsten filament
D) aluminium wire
Answer:
C) tungsten filament

Question 53.
Observe the picture of electric circuit. Does the bulb glow as per the given figure? ( )

A) Yes
B) Cant say
C) Yes or No
D) No
Answer:
D) No

Question 54.
See the picture and observe carefully, the given electric circuit is ………….. ( )

A) open
B) closed
C) open or closed
D) switch on
Answer:
A) open

Question 55.
In the given picture of torch light, name the part that indicates with ‘?’ mark. ( )

A) closed circuit
B) open circuit
C) switch
D) cylinder
Answer:
C) switch

Question 56.

Label the parts of a bulb correctly
A) 1 – Glass chamber
2 – TerminaI
3 – Filament

B) 1 – Glass chamber
2 – Switch
3 – Terminai

C) 1 – Glass chamber
2 – Filament
3 – Terminal

D) 1 – Filament
2 – Glass chamber
3 – Terminal
Answer:
C) 1 – Glass chamber
2 – Filament
3 – Terminal

Question 57.
Which part is working as a switch in the given set up?

A) cell
B) wire
C) safety pin
D) wooden plank
Answer:
C) safety pin

Question 58.
Give the correct option based on the diagram

A) Edison’s first ball
B) Thomas Alva Edison’s first bulb
C) Bulb invented by an Italian
D) Edison’s first balloon
Answer:
B) Thomas Alva Edison’s first bulb

Question 59.
Find the name of the famous personality given in the photo ( )

A) Thomas Alva Edison – Scientist of thousand inventions
B) Robert brown – Scientist of hundred inventions
C) George W shaw – A man of electricity
D) Foraden – A scientist of thousand inventions
Answer:
A) Thomas Alva Edison – Scientist of thousand inventions

Question 60.
Now a days the wires that are used in different colours. Because ………….( )
A) to give connection between bulb and cell with similar way
B) to give connection between bulb and cell to complete the circuit
C) to give switch off the connection completely
D) to give switch on the connection immediately
Answer:
B) to give connection between bulb and cell to complete the circuit

Question 61.
The inspiration for inventing different types of bulbs by modern scientists ( )
A) Inventions of Thomas Alva Edison
B) Bulb invented by Thomas Alva Edison
C) Radio invented by Edison
D) Wires invented by Michael Faraday
Answer:
B) Bulb invented by Thomas Alva Edison

Question 62.
What was the speciality of Thomas Alva Edison? ( )
A) Inquisitive nature from childhood.
B) Innovative ideas in the middle age
C) Late images at the age of 50
D) Richness of Edison
Answer:
A) Inquisitive nature from childhood.

Question 63.
Use of insulators ( )
A) To protect from fire
B) To protect from electric shock
C) To give electric shock
D) To stop current
Answer:
B) To protect from electric shock