Consider the following statements: An ordinary light bulb h – McqOptions

MCQOPTIONS

1.	Consider the following statements: An ordinary light bulb has a rather short life because the: [IAS Prelim] 1. filament wire is not uniform. 2. bulb cannot be evacuated completely. 3. wires supporting the filament melt at high temperatures. Which of the above statements are correct?
A.	1 and 3
B.	2 and 3
C.	1 and 2
D.	1, 2 and 3
Answer» E.

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