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Byju's Answer
Standard X
Physics
Energy
Number of kil...
Question
Number of kilowatt-hours =
v
o
l
t
×
a
m
p
e
r
e
×
.
.
.
.
.
.
.
.
.
.
.
1000
A
time in seconds
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B
time in minutes
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C
time in hours
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D
time in days
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Solution
The correct option is
C
time in hours
Power,
P
=
V
I
1 kilowatt-hour means
P
=
1
k
W
=
1000
W
and time
t
=
1
h
o
u
r
As kWh is the unit of electrical energy so
1
k
W
h
=
V
I
t
/
1000
.
Thus, time will be in hour.
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