An electric heated of power 2000w and 1000w electric iron of power are used for 4h daily when connected to 220v mains supply total number of units consumed ler day is calculated as
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Answer:
12 units
Explanation:
1 kwhr=1 unit
E=P×T
2000×4
= 8000whr
= 8kwhr
= 8 units
E2= P×T
1000×4
= 4000whr
= 4 kwhr
= 4 units
total units = 8+4= 12 units
so they both will consumed 12 units per day
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