Question
In a charged capacitor, the energy resides:

Answer

  1. In the field between the plates.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

If a dielectric introduced between the plates of a parallel plate condenser, then which of the following is possible:
Nickel is :
The respective radii of the two spheres of a spherical condenser are 12 cm  and 9 cm. The dielectric constant of the medium between them is 6. The capacity of the condenser will be(a) 240 pF(b) 240 μF(c) 240 F(d) None of the above
       
In Young's double slit interference experiment, the slit separation is made 3 fold. The fringe width becomes(a) 1/3 times(b) 1/9 times(c) 3 times(d) 9 times
       
In a situation the contact force by a rough horizontal surface on a body placed on it has constant magnitude. If the angle between this force and the vertical is decreased, the frictional force between the surface and the body will:
  1. Increase.
  2. Decrease.
  3. Remain the saint.
  4. May increase or decrease.
A dry cell has an e.m.f. of 1.5 V and an internal resistance of 0.05Ω. The maximum current obtainable from this cell for a very short time interval is(a) 30 A(b) 300 A(c) 3 A(d) 0.3 A
       
A transistor is used as an amplifier in CB mode with a load resistance of 5 k W the current gain of amplifier is 0.98 and the input resistance is 70 W, the voltage gain and power gain respectively are(a) 70, 68.6(b) 80, 75.6(c) 60, 66.6(d) 90, 96.6
       
Following operations can be performed on a capacitor:
$X -$ connect the capacitor to a battery of emf $\epsilon.$
$Y -$ disconnect the battery.
$Z -$ reconnect the battery with polarity reversed.
$W -$ insert a dielectric slab in the capacitor.
  1. In $\text{XYZ} ($perform $X,$ then $Y,$ then $Z)$ the stored electric energy remains unchanged and no thermal energy is developed.
  2. The charge appearing on the capacitor is greater after the action $\text{XWY}$ than after the action $\text{XYW}$.
  3. The electric energy stored in the capacitor is greater after the action $\text{WXY}$ than after the action $\text{XYW}.$
  4. The electric field in the capacitor after the action $\text{XW}$ is the same as that after $W$.
The electric field in a region is directed outward and is proportional to the distance $r$ from the origin. Taking the electric potential at the origin to be zero,
Polarising angle for water is 53°4'. If light is incident at this angle on the surface of water and reflected, the angle of refraction is (a) 53°4'  (b) 126°56'(c) 36°56'(d) 30°4'