calculate the electricity bill amount for a month 31 days if if the following devices are used as
a) 3 bulb of 40 w for 6hours.
b) 4 tubelight of 50w for 8 hours.
c) A TV of 120w for 6 hours
(Give the rate of electricity is Rs2.50per unit) details explainAtion
Answers
Answered by
0
Answer:
the bulbs use 720 watt seconds, 200 watt seconds and 720 watts seconds when they total 1640 watts seconds or 4,100 rupees.
watt second is one watt used for one hour
watt per hour is rarely used
the bike's speed is measured in miles per hour.
Explanation:
Similar questions