Curioustab

Home » Electronics and Communication Engineering » Materials and Components

A copper specimen has resistivity equal to 1.8 x 10-8 ohm-m at room temperature. At a temperature of 700 K, the resistivity is likely to be

1.6 x 10-8 Ω-m
2 x 10-8 Ω-m
3 x 10-8 Ω-m
6 x 10-8 Ω-m

Correct Answer: 6 x 10-8 Ω-m

← Previous Question Next Question→

More Questions from Materials and Components

The number of protons in a silicon atom are
A rare gas having N atoms/m3 is subjected to an electric field E. The electric dipole moment per unit volume is proportional to N and E.
As the atoms of rare gases become larger, electronic polarizability
Carbon steel has a residual flux density of 1 Wb/m2.
Assertion (A): Dielectric constant is independent of temperature unless the temperature is extremely high. Reason (R): For normal temperatures the number of atoms per unit volume is constant.
The fact that domains exhibits spontaneous magnetisation is
The number of protons in a copper atom are
The most important set of specifications of transformer oil include
If μp is permanent dipole moment and T is absolute temperature, the orientation polarization of polyatomic gases is
We can know the arrangement of atom in a material by studying electron diffraction pattern.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion