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Saturday, 31 October

JEE Main 2021 · PhysicsMultiple choiceSingle correctEasyConceptual

JEE Main 17 March 2021, Shift 2, Physics Q8

Question 8 of 90 in this shift, Physics question 8 of 30, Section A.

What happens to the inductive reactance and the current in a purely inductive circuit if the frequency is halved ?
  1. (1)Inductive reactance will be doubled and current will be halved.
  2. (2)Inductive reactance will be halved and current will be doubled.Official answer
  3. (3)Both, inductive reactance and current will be halved.
  4. (4)Both, inducting reactance and current will be doubled.

Official answer

Option 2

NTA final key.

Chapter
Alternating Current
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.