CBSE Questions for Class 6 Physics Electricity And Circuits Quiz 4 - MCQExams.com

Two cells of each I5 V and third cell of $$1\space V$$ arc connected in series. Find the battery voltage. 
  •  $$30\space V$$
  •  $$15\space V$$
  •  $$31\space V$$
  • None of these
The given diagram is a torch containing cells. The torch is not glowing when the switch is ON. Now, it is opened to know the reasons. Which of the following statements are correct regarding the reasons?
(i) Bulb of the torch is fused.
(ii) Cells are not connected properly.
(iii) The metal parts of the torch do not make proper contact with the cell.

809852_3d5e11a992294a0794ab706af87e4a40.png
  • Only (i) and (ii)
  • Only (ii) and (iii)
  • Only (i) and (iii)
  • All (i), (ii) and (iii)
Electric circuit is a path through which current flows. 
  • True
  • False
Choose from the options a, b, c and d given in the figure which shows the correct direction of current.
Paheli is running short of connecting wires. To complete an electric circuit. she may use a
  • Glass bangle.
  • Thick thread.
  • Rubber pipe.
  • Steel spoon.
When a switch is in OFF position,
i) Circuit starting from the positive terminal of the cell stops at the switch.
ii) Circuit is open.
iii) No current flows through it.
iv) Current flows after some time.
Choose the combination of correct answer from the following.
  • all are correct
  • (ii) and (iii) are correct
  • only (iv) is correct
  • only (i) and (ii) are correct
Three bulbs A, B, C are connected in a circuit as shown in Figure 14.When the switch is ON
1789080_68711f234c534680b7cce75a114abf63.png
  • Bulb C will glow first.
  • Bulb B and C will glow simultaneously and bulb A will glow after some time.
  • All the bulbs A, B, and C will glow at the same time.
  • The bulbs will glow in the order A, B and C.
A switch is an on-off device in an electric circuit.
  • True
  • False
Which is not a component of electric cell ?
  • strip of iron
  • coil
  • contact nut
  • magnetic needle

Electric cell (Battery) as shown in the figure points 'B' indicate 
1848132_cc867c83588e4eac98bbaf1bcf46736f.png
  • Filament
  • Holder
  • Positive terminal
  • Negative terminal

For the electric cell (Battery)  shown in the figure. Point 'A' indicate 
1848131_14ccf083765444548e11eb61e8983417.png
  • Filament
  • Holder
  • Positive terminal
  • Negative terminal
An electric cell has ____ terminals.
  • One
  • Two
  • Three
  • Four
The thin wire that gives off light is called the ___________ of the bulb.
  • Cell
  • Filament
  • Wire
  • Battery
If the switch is connected to a bulb and the battery is kept in the on position what do you observe?
  • The bulb will glow
  • The bulb remains off
  • Cannot say
  • None of the above
In the circuit shown here, bulb P will glow when
270747_6871744059fe4488ac46a8d661555a09.png
  • A is closed, Band C are open
  • A is closed, B is closed and C is open
  • A is closed, Band C are closed
  • Both B and C.
What will be the order in which the bulbs $$A,\ B,$$ and $$C$$ will glow when the switch is moved to the 'on' position?
269521_807a8d6bfaa2481a928036160e9f394d.png
  • First $$B$$ then $$C$$ and then $$A$$
  • First $$A$$ then $$B$$ and then $$C$$
  • First $$A$$ then $$B$$ and $$C$$ together
  • All the bulbs will glow together
Symbol of switch in 'ON' position is -
Would any of the bulbs glow when the switch is in the 'off' position?
269520_5cc83697d11f4c93ad1babeb3518473a.png
  • Bulb $$A$$
  • Bulb $$B$$ 
  • Bulb $$C$$
  • None of the above
Three identical bulbs are connected to a battery as shown in the figure. What will happen when the circuit is closed?
794273_40ebcb96795d4686b8b1b416aef89919.png
  • R will be bright but Q and P dim
  • P, Q and R will be equally bright
  • Q and R will immediately burnout
  • P will be bright but Q and R dim
Why shouldnt the two terminals of an electric cell be joined directly without a switch?
  • The chemicals in the electric cell get used up very fast and the cell stops working
  • It is dangerous
  • Electric cell will explode
  • None of them
Which among the following statements about an electric cell is false?
  • An electric cell produces electricity from the chemicals stored inside it.
  • It has a neutral terminal.
  • It has a positive terminal.
  • It has a negative terminal.
_______________ makes it possible to light our homes, roads, offices, markets and factories even after sunset.
  • Electricity
  • Motion of objects
  • Magnets
  • Food
When the chemicals in the electric cell are used up, the electric cell stops working. Then, what should we do?
  • We should keep using the same electric cell
  • The electric cell has to be replaced with a new one
  • Both options are correct
  • All options are wrong
The figure shown above is called an ___________.
1950734_ece143f1ed304e89ba8e3abb433a1e41.png
  • Electric Cell
  • Torch
  • Bulb
  • Light
Electric cells are used in 
  • Alarm clocks
  • Wrist watches
  • Cameras
  • All of the above
What does the above danger sign shown on poles, electric substations indicate?
1950742_31a89fbcadfc4265994be713469fa39c.png
  • It is to warn people that electricity can be dangerous if not handled properly.
  • It is to warn people that there is ghost.
  • It is to warn people that there is dangerous animal.
  • It indicates that electricity is not dangerous.
The terminals of an electric cell are _________ and __________.
  • Positive and Positive
  • Negative and Negative
  • Positive and Negative
  • None of them
The metal cap and metal disc on an electric cell are _________ and _________ respectively.
  • 'Positive terminal' and 'Positive terminal'
  • 'Negative terminal' and 'Positive terminal'
  • 'Positive terminal' and 'Negative terminal'
  • 'Negative terminal' and 'Negative terminal'
'In a closed electric circuit, the electric current passes from one terminal of the electric cell to the other terminal.' The statement is
  • True
  • False
  • Maybe true
  • Maybe false
Match the following - 
Electric Cella. metal cap
Positive Terminalb. metal disc
Negative Terminalc. produce electricity
  • 1-a, 2-b, 3-c
  • 1-c, 2-a, 3-b
  • 1-a, 2-c, 3-b
  • 1-c, 2-b, 3-a
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