13. A 120 W light bulb is left on for 2
hrs in a day. Assuming that the cost
of electricity is 4 rupees for every
kWh of energy, what is the cost of
consuming electrical energy for the
month of April?
Answers
Answered by
1
Answer:
Explanation:
power = 10 = 0.01kwh
time = 2hrs
p = e/t
0.01 = e/2
e = 0.02kwh
cost = 0.02 x 4
therefore, cost = 0.08
Answered by
0
Answer:
ja be
Explanation:
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