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WorksheetsElectricity
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Sources of electricity are
a)
generator
b)
cell
c)
solar cell
d)
all the above
2.
1 kWh =
a)
10 units
b)
2 units
c)
3 unit
d)
1 unit
3.
safety devices are
a)
MCB
b)
fuse
c)
switch
d)
both (a) and (b)
4.
Live wire is ______ in colour
a)
blue
b)
black
c)
red
d)
green
5.
Fuse is based on
a)
melting of wire
b)
cooling of current
c)
wiring
d)
heating effect of current
6.
The earth wire carries
a)
220 V
b)
110 V
c)
100 V
d)
no current
7.
Fuse is an alloy of __________ and __________
(a)
8.
Fuse wire has
a)
low melting point
b)
high melting point
c)
high resistance
d)
both a and c
9.
Fuse wire is connected in _______ with live wire
a)
parallel
b)
series
10.
Resistance depends on
a)
Area of cross section
b)
length of the conductor
c)
resistivity of material
d)
all the above
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