MyQuestionIcon

1

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

Alternating Current Applied to an Inductor

What is the e...

Question

What is the effect on capacitance on disconnecting a parallel plate capacitor filled with air from AC source. Is it same as DC source or different?

Open in App

Solution

Effect is not same for both Ac and DC ..
because frequency in DC is 0 so capacitor only conducts for too small time while in Ac it conducts.
After removing in DC it's works as earlier but in Ac behaviour will be change.
So effect is not same.

Suggest Corrections

thumbs-up

0

Similar questions

Q. A parallel-plate vacuum capacitor with plate area

A

x

+ Q

- Q

on its plates. The capacitor is disconnected from the source of charge, so the charge on each plate remains fixed. What is the total energy stored in the capacitor?

Q. A parallel plate air capacitor with no dielectric between the plates is connected to the constant voltage source. What will be the new capacitance and charge on the capacitor if a dielectric with dielectric constant

K = 5

is inserted between the plates? Intially capacitance and charge on the capacitor are

50 μ F

200 μ C

respectively before the introduction of the dielectric.

Q. A parallel-plate vacuum capacitor with plate area

A

x

+ Q

- Q

on its plates. The capacitor is disconnected from the source of charge, so the charge on each plate remains fixed. The plates are pulled apart an additional distance

d x

. What is the change in the stored energy?

Q. A capacitor, of capacity

C

, is fully charged with voltage

V_{0}

. After disconnecting the voltage source, it is connected in parallel with another uncharged capacitor of capacitance

\frac{C}{2}

. The energy loss in the process, after the charge is distributed between the two capacitors, is :

Q. Three different dielectrics are filled in a parallel plate capacitor as shown. What should be the value of dielectric constant of a material , which when fully filled between the plates produces same capacitance ? (Asssume terminals are connected between

A C

B D

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Alternating Current Applied to an Inductor

PHYSICS

Watch in App

explore_more_icon

Explore more

Alternating Current Applied to an Inductor

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon