Q.

A condenser of capacity 6μF is fully charged using a 6 volt battery. The battery is removed and a resistanceless 0.2 mH inductor is connected across the condenser. The current which is flowing through the inductor when one-third of the total energy is in the magnetic field of the inductor is :

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

0.1 A

b

0.2 A

c

0.4 A

d

0.6 A

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Total energy = Initial energy on capacitor = 12CV2Magnetic field energy = 12LI2∴12LI2=13 x 12CV2 ⇒I=CV23L=6 x 10-6 x 6 x 63×0.2×10-3=0.6 A
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon