Curioustab

Home » Electronics and Communication Engineering » Materials and Components

A particle of charge Q coulombs is bound elastically to an equilibrium position with a force constant of f newton per metre. The polarizability of the system is

Qf

Correct Answer:

← Previous Question Next Question→

More Questions from Materials and Components

In an hydrogen atom, an electron moves in the field of a proton. The stability of orbit requires equilibrium between coulomb's force and centrifugal force.
An electron shell corresponding to principal quantum number n can contain a maximum of
Assertion (A): Dielectric losses are proportional to tan δ. Reason (R): tan δ = where ∈r' and ∈r" denote the real and imaginary parts of ∈r.
Spontaneous polarization occurs in ferroelectric materials.
For a core having a relative permeability μr, magnetic dipole moment per unit volume M and field strength H, the flux density B is
Figure shows a composite capacitor. If CA, CB, CC are the capacitances of capacitors A, B, C, the overall capacitance C is
Assertion (A): In some materials, ∈r is independent of temperature while in others, ∈r depends on temperature. Reason (R): If permanent dipoles are absent, ∈r varies with temperature.
The direction of force an a conductor carrying current and lying in a magnetic field can be found by using
The real part of complex dielectric constant and tanδ for a dielectric are 2.1 and 5 x 10-4 at 100 Hz respectively. The imaginary part of dielectric constant at 100 Hz is
A single layer air cored coil has n turns and inductance L. If a new coil is formed by having 2n turns while keeping the coil length and diameter the same, the new inductance is

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion