If a light bulb is switched on for 20 s and it consumes 2400 J of ele – McqOptions

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1.	If a light bulb is switched on for 20 s and it consumes 2400 J of electrical energy then it's power is
A.	60 W
B.	70 W
C.	80 W
D.	90 W
Answer» B. 70 W

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