Question
The factor by which the capacitance increases from its vacuum value when the dielectric is inserted fully between the plates of a capacitor, is called as:

Answer

  1. Dielectric constant of the substance.

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

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 kV, its kinetic energy will be:
Critical angle for light moving in from medium I to medium II is $\theta$. The speed of light in medium I is v. Then speed in medium II is :
A charge $q$  is placed at the centre of the open end of cylindrical vessel. The flux of the electric field through the surface of the vessel is
If $\mathrm{E}=\mathrm{at}+\mathrm{bt}^2,$ what is the temperature of inversion
 
On installing forward bias on $P - N$ junction, its behavior will be :
Two waves of same amplitude and same wavelength are superimposed in different phases. The amplitude of the resultant wave will be maximum when the phase difference between them is:
The resistance of a conductor is $5$ ohm at $50^{\circ} \mathrm{C}$ and $6$ ohm at $100^{\circ} \mathrm{C}$. Its resistance at $0^{\circ} \mathrm{C}$ is
A $10 m$ long wire of $20\Omega$ resistance is connected with a battery of $3$ volt e.m.f. $($negligible internal resistance$)$ and a $10\Omega$ resistance is joined to it is series. Potential gradient along wire in volt per meter is
Electrons are emitted by a hot filament and are accelerated by an electric field, as shown in the figure. The two stops at the left ensure that the electron beam has a uniform cross-section.
  1. The speed of the electrons is more at B than at A.
  2. The electric current is from left to right.
  3. The magnitude of the current is larger at B than at A.
  4. The current density is more at B than at A.
A coil of inductance $8.4\ mH$ and resistance $6\Omega$ is connected to a $12\ V$ battery. The current in the coil is $1.0\ A$ at approximately the time