MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Parallel and Series Combination of Capacitors

How can the e...

Question

How can the energy of a capcitor be decreased by keeping the charge on the capacitor unchanged ?

Open in App

Solution

$D e a r s t u d e n t, E = \frac{Q^{2}}{2 C} S i n c e Q i s s a m e s o, E \propto \frac{1}{C} A l s o C \propto d i e l e c t r i c c o n s \tan t h e n c e b y i n c r e a \sin g t h e d i l e c t r i c c o n s \tan t o f t h e m e d i u m b e t w e e n t h e p l a t e s t h e e n e r g y c a n b e d e c r e a s e d . R e g a r d s$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Two capacitors of 25

μ F a n d 100 μ F

are connected in series to a source of 120 V. Keeping their
charges unchanged, they are separated and connected in parallel to each other. Find out energy loss in the process.

Q. If the charge on a capacitor is increased by 2 colomb, the energy stored in it increases by

21 %

. The original charge on the capacitor is

Q. If the charge on a capacitor is increased by

2

coulomb, the energy stored in it increases by 21%. The original charge on the capacitor is :

Q. Following operations can be performed on a capacitor.
X - connect the capacitor to a battery of emf E.
Y - disconnect the battery.
Z - reconnect the battery with polarity reversed.
W - insert a dielectric slab in the capacitor.
Then which of the following is/are true

L - C

oscillation circuit, maximum charge on capacitor can be

Q_{0}

. If at any instant the electrical energy is

\frac{3}{4} t h

of the magnetic energy, then the charge on the capacitor at that instant is

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Series and Parallel Combination of Capacitors

PHYSICS

Watch in App

explore_more_icon

Explore more

Parallel and Series Combination of Capacitors

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon