an electrical pressure of a power 1.5 kilowatt is used for 30 minute calculate the electrical energy consumed(1) kwh (2) joule
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Answer:
(a) P = w/t
∴ electrical energy W = P × t
P = 1.5 kW t = 30 minute = 30/60 =1/2 hr
1.5 × 1/2 = 0.75 kwh
(b) 1 kWh = 3.6 × 106 J
∴ 75 kWh =0.75 × 3.6 × 106
= 2.700 × 106
= 2.7 × 106 J
Explanation:
Hope above answer will helpful to you.
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