Examveda Three hundred joules of energy are consumed in 15 s. The power is A. 2,000 WB. 2 WC. 20 WD. 200 WAnswer: Option C This Question Belongs to Electrical Engineering >> Energy And Power
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How many watt-hours represent 65 W used for 18 h? A. 11.7 WhB. 1,170 WhC. 11,700 WhD. 117,000 Wh View Answer
Energy=Power*Time.
Power=Energy/Time.
Power=300/15.
P=20W.