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Standard X
Physics
Heating Effect of Current
Define the ph...
Question
Define the physical quality whose unit is wattA radio set 60 watt runs 50 hours how many units (KWh) of electrical energy are consumed
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Solution
Power
:
Power
is
the
rate
at
which
work
is
done
.
Watt
is
the
unit
of
Power
Electrical
energy
consumed
:
E
=
P
t
=
60
×
50
=
3000
Wh
=
3
kWh
=
3
units
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