Answer:
Explanation:
The wattage listed is the maximum power drawn by the ... If John uses a window fan (200 watts) 4 hours a day for 120 ... TV, 120V, 75W.
or
75 w 4 hrs 30 days. So your total consumption is 75*4*30= 9000watt hr.
1 unit = 1000 watt hr.
9000 watt hr = 9 unit.
Total cost 9*2.5= RS 22.5
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