Verified Solution • 2025–26 Session moderate

QJEEM19Phcc8a: JEE Main 2019 Physics - Class 12 JEEM19Phcc8a Solution: In the circuit shown, the switch S 1 is closed at time t = 0…

In the circuit shown,

JEE Main 2019 (Online) 11th January Morning Slot Physics - Alternating Current Question 142 English
the switch S1 is closed at time t = 0 and the switch S2 is kept open. At some later time(t0), the switch S1 is opened and S2 is closed. The behavior of the current I as a function of time 't' is given by :

Multiple Choice Options

  • A https://ik.imagekit.io/novatra/photos/ddaf0f76325d530becb73a984bfa1551d75883f9d2613b8265628f67baa18a96.webp
  • B https://ik.imagekit.io/novatra/photos/2ee64869de2842086ca07545217610f044075165596041ac979bf87b4e487632.webp
  • C https://ik.imagekit.io/novatra/photos/079b0ec75471a38f2e223e3017e78a2a119019ad738f969176838249ac2709ab.webp
  • D https://ik.imagekit.io/novatra/photos/805e4f38e7282aa3e43029d58e126b768119e5f6ce963d6e5dcdba64af0b9cca.webp

Step-by-Step Verified Solution

From time t = 0 to t = t0, growth of current takes place and after that decay of current takes place.

JEE Main 2019 (Online) 11th January Morning Slot Physics - Alternating Current Question 142 English Explanation
most appropriate is (A)

Related Learning Resources & Exam Preparation

JEE Main PYQ Question Bank
Browse year-wise authentic previous years' questions with solutions
Authentic CBT Mock Tests
Simulate official exam environment with live timer and percentile scoring