strong{font-weight:bold !important} 1 kWh (kilowatt-hour) represents the amount of energy consumed when 1 kilowatt of power is used for 1 hour. To convert this to joules:Convert kilowatt-hours to watts-seconds (joules):1 kWh=1 kW1 kW=103 watts1 hour=3600 secondsTherefore:1 kWh=103 watts×3600 secondsPerform the multiplication:1 kWh=36×105 joules

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1 kWH is equal to

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$36 \times 10^{- 5} J$

360 J

36 kJ

$36 \times 10^{5} J$

answer is D.

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Detailed Solution

1 kWh (kilowatt-hour) represents the amount of energy consumed when 1 kilowatt of power is used for 1 hour. To convert this to joules:

Convert kilowatt-hours to watts-seconds (joules):
1 kWh=1 kW
- 1 kW=10³ watts
- 1 hour=3600 seconds
Therefore:
1 kWh=10³ watts×3600 seconds
Perform the multiplication:
1 kWh=36×10⁵ joules

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