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How much electrical energy is used by a 75 W laptop that is operating for 12
minutes?
O A. 27,000 J
B. 108,000 J
C. 900 J
O D. 54,000 J

Sagot :

Answer:

54,000 J

Explanation:

Given,

Power ( P ) = 75 W

Time ( t ) = 12 minutes

To find : Electrical energy ( E ) = ?

t = 12 minutes

= 12 x 60

t = 720 seconds

Formula : -

E = Pt

E = 75 x 720

E = 54,000 J

Therefore,

54,000 J is the electrical energy is used by a 75 W laptop that is operating for 12 minutes.

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