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JEE Main 202122 JulyMorning Shift
Exam
JEE Main
Year
2021
Date
22 July
Shift
Morning Shift
Subject
Physics
Chapter
Alternating Current

JEE Main 2021 · 22 July · Morning Shift · Physics · Alternating Current

Match List-I with List-II. List - I List - II (a) > (1)/( ) (i)...

Match List-I with List-II.

List - I List - II
(a) \omegaL>1\omegaC\omegaL > \dfrac{1}{\omegaC} (i) Current is in phase with emf
(b) \omegaL=1\omegaC\omegaL = \dfrac{1}{\omegaC} (ii) Current lags behind the applied emf
(c) \omegaL<1\omegaC\omegaL < \dfrac{1}{\omegaC} (iii) Maximum current occurs
(d) Resonant frequency (iv) Current leads the emf

Choose the correct answer from the options given below.

Options

  1. A(a) - (ii) ; (b) - (i) ; (c) - (iv) ; (d) - (iii)
  2. B(a) - (ii) ; (b) - (i) ; (c) - (iii) ; (d) - (iv)
  3. C(a) - (iii) ; (b) - (i) ; (c) - (iv); (d) - (ii)
  4. D(a) - (iv) ; (b) - (iii) ; (c) - (ii); (d) - (i)

Correct answer

A. (a) - (ii) ; (b) - (i) ; (c) - (iv) ; (d) - (iii)

Step-by-step solution

(a) For xL>xC,{x}_{L} > {x}_{C},~voltage leads the current

(ii)

(b) For xL=xC,{x}_{L} = {x}_{C},~voltage & current are in same phase

(i)

(c) For xL<xC,{x}_{L} < {x}_{C},~current leads the voltage

(iv)

(d) For resonant frequency xL=xC,{x}_{L} = {x}_{C},& current is maximum

(iii)

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