Curioustab

Home » Electronics and Communication Engineering » Materials and Components

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

Lorentz law
Wiedemann Franz law
Curie Weiss law
Kittel law

Correct Answer: Lorentz law

← Previous Question Next Question→

More Questions from Materials and Components

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
In a metal the probability of a state 0.1 eV below Fermi level being occupied
When a ferromagnetic substance is magnetised there are small changes in dimensions. This phenomenon is called
Electrical conductivity of metals expressed in ohm-1 m-1 is of the order of
In a polyatomic gas, the types of polarization which exist together are
In elemental dielectrics, the orientation and ionic polarization are absent.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion