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Electrical Engineering MCQ Question & Answer in PDF Download

Q.

Which of the following is present inside the fluorescent tube?

  • AArgon and neon
  • BArgon and  Carbon dioxide
  • CMercury vapour
  • DHelium and oxygen
Correct Answer : (C)

Mercury vapour
Hints :

Mercury vapour is present inside the fluorescent tube.

Electrical Engineering MCQ Question & Answer in PDF Download
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