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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 30 June 2022, Shift 1, Physics Q49

Question 49 of 90 in this shift, Physics question 19 of 30, Section A.

A speech signal given by 11 sin (2200 π\pit)V is used for amplitude modulation with a carrier signal given by 44 sin(6600 π\pit)V. The minimum amplitude of modulated wave will be :
  1. (1)33 VOfficial answer
  2. (2)55 V
  3. (3)8.25 V
  4. (4)13.75 V

Official answer

Option 1

NTA final key.

Chapter
Communication Systems
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.