JEE Main 27 July 2022, Shift 1, Physics Q54

Question 54 of 90 in this shift, Physics question 24 of 30, Section B.

To light, a 50 W, 100 V lamp is connected, in series with a capacitor of capacitance

\frac{50}{\pi\sqrt{x}}\mu F

, with 200V, 50Hz AC source. The value of

x

will be ___.

Official answer

NTA final key.

Chapter: Alternating Current
Topic: Phasor Diagrams
Idea tested: RC Series Phasor Construction

Same idea in other shifts

Asked 2× in all

8 Apr 2024, Shift 2 · Q58An alternating emf $E = 110\sqrt{2}\ \sin 100t$ volt is applied to a capacitor of $2\,\mu\mathrm{F}$ , the rms value of current in the…EasyNumerical value

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.