An electric bulb is marked 40 W and 120 V. It means that in one second it converts ……………………. 

A) 120 J of electric energy into heat or light 

B) 40 J of electric energy into heat or light 

C) 160 J of electric energy into heat or light

D) 3 J of electric energy into heat or light

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1 Answers

B) 40 J of electric energy into heat or light

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