TestHub
TestHub

Physics - EMI/AC Question with Solution | TestHub

PhysicsEMI/ACL-R circuitHard2 minPYQ_2013
PhysicsHardsingle choice

In an LCR circuit as shown below both switches are open initially. Now switch S 1 is closed, S 2 kept open. ( q is charge on the capacitor and τ = RC is capacitive time constant). Which of the following statement is correct?

Question diagram: In an LCR circuit as shown below both switches are open init

Options:

Answer:
A
Solution:

q = CV 1 - e t / τ

At t = 2 τ

q = CV 1 - e - 2

Stream:JEESubject:PhysicsTopic:EMI/ACSubtopic:L-R circuit
2mℹ️ Source: PYQ_2013

Doubts & Discussion

Loading discussions...