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Question: Answered & Verified by Expert
Assertion : An electric field is preferred in comparison to magnetic field for detecting the electron beam in a television picture tube.
Reason : Electric field requires low voltage.
PhysicsElectrostaticsAIIMSAIIMS 2010
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion
  • B If both assertion and reason are true but reason is not the correct explanation of assertion
  • C If assertion is true but reason is false
  • D If both assertion and reason are false.
Solution:
2139 Upvotes Verified Answer
The correct answer is: If both assertion and reason are false.
If electric field is used for detecting the electron beam, then very high voltage will have to be applied or very long tube will have to be taken.

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