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Question-1
A device used to break an electric circuit is called __________.
(A)
bulb
(B)
switch
(C)
wire
(D)
fuse
Question-2
If the current in the circuit is too much the fuse wire gets _________ and melts.
(A)
cool
(B)
hot
(C)
ice
(D)
burnt
Question-3
Electricity starts from the _________ terminal.
(A)
negative
(B)
positive
(C)
both
(D)
none
Question-4
When we switch on a light bulb the __________or wire in it gets hot and glows.
(A)
filament
(B)
fuse
(C)
terminals
(D)
none of these
Question-5
In an electric fan ,electrical energy is converted into ______.
(A)
light energy
(B)
chemical energy
(C)
atomic energy
(D)
mechanical energy
Question-6
When the chemicals in the electric cell are used up,the electric cell___________ producing electricity.
(A)
starts
(B)
stops
(C)
continues
(D)
none of these
Question-7
The force or push that sends the current through a circuit is measured in ____________.
(A)
degrees
(B)
volts
(C)
volt meter
(D)
voltage
Question-8
In a ___________ circuit there is more than one path for the flow of electricity.
(A)
parallel
(B)
series
(C)
horizontal
(D)
vertical
Question-9
A ________ bulb does not light up as no current passes through its filament.
(A)
new
(B)
small
(C)
fused
(D)
large
Question-10
A dry cell is a ___________ cell.
(A)
primary
(B)
secondary
(C)
both
(D)
none
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Std 7
CBSE
Practice in Related Chapters
Winds,storms and cyclones
Motion and Time
Electric current and its effect
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Light
Heat and its Effects
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