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WorksheetsELECTRICITY AND CIRCUITS
Total questions: 18
Worksheet time: 12mins
Primary cell work by converting electrical energy into electrical energy
True? ✔
False? ❌
Which of the following statements is true?
a. Electricity cannot be transported
b. Electricity flows in a circuit with gaps.
c. A cell converts chemical energy to electrical energy.
d. A cell consists of three terminals.
How many terminals are there in a battery?
Five terminals
Eight terminals
Two terminals
Three terminals
Why is a switch used in a circuit?
a. To save energy
b. To complete or break a circuit
c. To prevent electric shocks
d. To make the bulb glow easily
Which symbol is the symbol of an electric battery?
What are dry cells?
Dry cells are more durable, they are typically used for remote controls, flashlights and other similar handheld devices. Dry cells are typically used as primary cells
Dry cells are witch are used in TVs,Watches and Computers
Dry cells are used for smart divices
A open circut can make a bulb glow
True ✔
False ❌
A filament of an elecric bulb has a __________________________________________________________________________
High melting point
low melting point
Can never melt
Can melt in less than a secound in any temperature
The filament of an electric bulb is made up of __________________
Toungsten
Plastic
Copper
Magnets
Electric switches and boards are made up of plastic
True ✔
False ❌
Is wood a counducter of elecricity?
Yes ✔
No ❌
Which of the following controls the flow of current in a circuit?
a.Wire
b.Switch
c.Battery
d.Bulb
Cell is a device which
(a) converts chemical energy into electrical energy
(b) electrical energy into light energy
(c) electrical energy into magnetic energy
(d) None of these
Bulb glows only in
(a) closed circuit
(b) open circuit
(c) in both circuits
(d) open circuit if bulb is not fused
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
What are secoundary batterys used for
mobile, telephone, or notebook computer
Stove,Oven..ETC
Should we try elecricity experiments at home?
yes
no
Why is the electric switch made up from plastic
