Curioustab

Home » Electronics and Communication Engineering » Materials and Components

Which of the following is used in lightning arresters?

Thermistor
Photoconductor
Transistor
Varistor

Correct Answer: Varistor

← Previous Question Next Question→

More Questions from Materials and Components

In its lowest state, the electron is bound to the field of proton by an energy equal to
As regards ferromagnetic Curie temperature Qf and paramagnetic curie temperature θ
In a ferromagnetic material, the internal field seen by a dipole is
In which of the following semiconductor are holes majority carriers
The law that (where K is thermal conductivity, σ is electrical conductivity and T is absolute temperature) for all metals is equal to a universal constant is known as
The chemical properties of atoms are determined by all the electrons and their configuration.
If k is Boltzmann's constant and T is absolute temp, then at room temp.
From a homogeneous and isotropic dielectric material of dielectric constant ∈r, a small volume element is taken out creating a cavity. The field can be kept homogeneous if Di. (i.e., electric flux density inside the cavity) and D0 (i.e., electric flux density outside the cavity) are such that
At T = 0, the resistivity of a perfect single crystal of a metal is
The iron core of a coil is removed so that it becomes an air cored coil. Its inductance will

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion