ROLL NO.
DATE
an
A electric heater is rate
220 volts, and
550 volts . Colulate the
electrical energy
consumed in 13 hours And if
electric
iron of rating 750 watt
220volts is used for 3 hours per day
find the electricity bill of for the
month of October if anche cost per unit
Answers
Answered by
2
Explanation:
0votes
answered Dec 20, 2018 by muskan15 (-3,443 points)
(i) The statement means that the heater should be connected to 220 V Supply and that it consumes 550 W power.
(ii) Energy consumed in 3 hrs = 550 x 3/1000 = 1.65 x 3600 = 5940 kJ.
(iii) The energy consumed in a resistor when the potential difference is 1V and 1A current flows for 1000 hrs. vote me
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