which consumes more energy a 250 watt TV set in 1 hour or a 1200 watt toaster in 10 minutes if one unit consumes 6 rupees what is the first cost of energy
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= 0.25kWh
so tv consumes more energy.
energy of toaster = 1200/1000*10/60
= 1.2*1/6
= 0.20 kWh
1 kWh = 1unit
0.25 unit * 6
= ₹1.5
0.2unit *6
= ₹1.2
total cost = ₹1.5+₹1.2
= ₹2.7
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