c) A geyser has a label 2 kW, 240 V. What is the cost of using it for 30 minutes if the cost of electricity is Rs. 3 per commercial unit
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Hey Friend,
Power of geyser (P) = 2kW
Time taken (t) = 30 mins = 0.5 hour
Cost per unit = Rs. 3
appying, Electric work (W) = P x t
W = 2kW x 0.5 hr
W = 1 kWh
Therefore, no. of units = 1
Cost for consuming 1 unit = Rs. 3
Therefore, the cost of electricity for using the geyser is Rs. 3.00
Hope it helps!
Power of geyser (P) = 2kW
Time taken (t) = 30 mins = 0.5 hour
Cost per unit = Rs. 3
appying, Electric work (W) = P x t
W = 2kW x 0.5 hr
W = 1 kWh
Therefore, no. of units = 1
Cost for consuming 1 unit = Rs. 3
Therefore, the cost of electricity for using the geyser is Rs. 3.00
Hope it helps!
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