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WorksheetsElectricity and its Circuit
Total questions: 20
Worksheet time: 10mins
Which part of the bulb is an insulator?
R
Q
P
S
What is wrong in this table?
Wool
Brass
Steel
Graphite
The tiny coiled metal wire present inside the bulb is called ___ .
Uranium
Titanium
Tungsten
Zinc
Soobin connected three bulbs with the cells and a switch as shown. When switch is moved to ON position.
The bulbs Z and X will glow first
All the bulbs will glow simultaneously.
The bulb Y will not at all glow
The bulb X will glow first
"Do not handle electric wires with your bare hands. Do not wear rubber gloves, either" said Mr Kim. Which of the following statements is wrong about what Mr. Kim commented?
Do not wear gloves nor handle electric wires.
'Do not wear rubber gloves'
You will get electrocuted if you handle electric wires
Handling electric wires is absolutely fine.
Which of the following is not a part of an electric cell?
Carbon Electrode
Manganese Dioxide
Anode [ Zinc Casing ]
Ammonium Nitrate
What does the symbol of skull and cross bones refer to?
(a)
Shaina wanted to glow a torch bulb using a cell. She could not buy connecting wires; instead, she got two strips of aluminium foil. Will she succeed?
No
Yes
Maybe
None of the above
A bulb has :
One filament and two terminals
One filament and four terminals
Two filaments and two terminals
One filament and one terminal
A battery consists of :
a combination of cells in which cells are joined (+) to (-)
a combination of cells in which cells are joined (+) to (+)
None of the above
a single cell a combination of cells in which cells are joined (+) to (+)
To prevent electric shocks, the metallic electrical wires are insulated with
paper
aluminium
cotton
plastic
What kind of cells are used for TV remotes?
Pencils cells
Solar cell
Button cell
Electro chemical cell
An electric cell uses ______ to produce electricity.
Chemicals
Light
Heat
Electricity
What kind of cell is used in a wristwatch?
Button cell
Solar cell
electrolytic cell
None of the above
There aren't enough connection wires for Rafael. She may use or a thick piece of thread to complete an electrical circuit.
rubber pipe
cotton thread
plastic clip
steel spoon
Using the conductor tester on an object it was found that the bulb begins to glow. Is that object a conductor or an insulator?
Conductor
Insulator
None of the two options
The cylindrical container of the cell is made up of ___ and is the negative terminal of the cell.
Zinc
Uranium
Ammonium Chloride
Iron
Rasika made a closed circuit but she wanted to know about the way the electric current flows from. Will you be able to help her?
Positive terminal to Negative
Positive to Positive
Negative to Positive terminal
Negative to Negative
The top of the electric cell is its (a) terminal.
A device which is used to break or complete an electric circuit is called a (a) .
