Electromagnetic Induction and Alternating Current 4 Question 9

9. In a LCR circuit as shown below, both switches are open initially. Now, switch S1 and S2, are closed. ( q is charge on the capacitor and τ=RC is capacitance time constant). Which of the following statement is correct?

(2013 Main)

(a) Work done by the battery is half of the energy dissipated in the resistor

(b) At t=τq=CV/2

(c) At t=2τq=CV(1e2)

(d) At t=τ/2,q=CV(1e1)

Show Answer

Answer:

Correct Answer: 9. (c)

Solution:

  1. For charging of capacitor q=CV(1et/τ)

At t=2τ

q=CV(1e2)



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक