100 वॉट के एक बल्ब को चार घंटे – McqOptions

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1.	100 वॉट के एक बल्ब को चार घंटे तक स्विच ऑन रखा जाता है। प्रयुक्त ऊर्जा की इकाइयाँ होंगी -
A.	400
B.	25
C.	4
D.	0.4
Answer» E.

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