Curioustab

Home » Electronics and Communication Engineering » Materials and Components

If temperature is increased, the temperature coefficient of a metal

increases
decreases
may increase or decrease
remains constant

Correct Answer: decreases

← Previous Question Next Question→

More Questions from Materials and Components

In an homogeneous dielectric subjected to an electric field E, the dipole moment per unit volume is ∈0(∈r - 1) E.
The temperature at which some materials become superconductors is called
A parallel plate capacitor having C = 200 x 10-12 F has loss dielectric having tan δ = 4 x 10-4. At an ac voltage of f = 106 Hz and peak value 2 V, the dielectric losses are
When temperature is more than ferromagnetic curie temperature, the behaviour of a ferromagnetic material is similar to that of paramagnetic material.
The quantum numbers associated with electron motion are designed as
Which of these has lowest dielectric strength?
Transformer oil is
Resistivity of copper is lower than that of nickel. When a small percentage of copper is added to nickel, the resistivity
For a superconductor, magnetisation M in a field H is
As per Curie-Weiss law, the magnetic susceptibility of a material varies as

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion