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WorksheetsElectricity and circuits
Total questions: 13
Worksheet time: 9mins
What is filament ??
The thin wire that gives of light is called filament
The plastic glass cover
Who invented the light bulb ??
George Stephenson
Edward greige
Walt disney
Thomas elva edison
In an electric bulb, light is produced due to the glowing of :
gases inside glass case of the bulb.
the glass case of the bulb.
the thin filament.
the thick wires supporting the filament.
Choose the incorrect statement.
A switch is the source of electric current in a circuit.
A switch helps to complete or break the circuit
When the switch is open there is an air gap between its terminals.
Solution:
A switch helps us to use electricity as per our requirement
In the above diagram boojho says that the bulb will glow.
TRUE
FALSE
Bulb glows only in
closed circuit
open circuit
open circuit if bulb is not fused
in both circuits
How many terminals are there in a dry cell?
six
three
two
One
An electrical cell has two terminals, a positive and a
(a)
A bulb has two terminals.
True
False
Instead of metal wires, a jute string can be used to make a circuit.
True
False
The positive terminal of the electric cell is the:
Metal cap
Metal disc
Metal base
Metal case
Which of the following bulbs below will light up ??
The metal disc of the electric cell is the (a) terminal
