If a bulb of 60 w is lighted for 4 hours every day for 30 days, then the energy
consumed is :
(a) 7.2 kwh (b) 7200 kwh (c)720 kwh (d) 72 kwh
40.
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2
Answer:
7.2kwh
Explanation:
formula to be used : ENERGY=POWER×TIME
ENERGY=60×4
=240Wh per month
for 30 days
240×30
=7200 Wh per month
=7.2 kwh
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