Question

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.

a.

Both A and R are true and R is correct explanation of A

b.

Both A and R are true but R is not correct explanation of A

c.

A is true but R is false

d.

A is false but R is true

Answer: (a).Both A and R are true and R is correct explanation of A

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. 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...

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. As the atoms of rare gases become larger, electronic polarizability

Q. Ferrimagnetic materials have anti-parallel orientation of equal moments of permanent dipoles.

Q. Carbon steel has a residual flux density of 1 Wb/m².

Q. When an atom of polarizability a is placed in an electric field E, the energy stored in atom is 0.5 α E².

Q. The charge per proton is

Q. In terms of Planck's constant h, the orbital angular momentum of an electron is

Q. The merger of hole and free electron is called

Q. The elements which become superconducting at extremely low temperatures are

Q. Electrical contact materials used in switches, brushes, relay must possess

Q. The phenomenon of dielectric hysteresis occurs with

Q. The induced magnetic dipole moment is independent of the permanent magnetic dipole moment.

Q. The number of protons in a silicon atom are

Q. The fact that domains exhibits spontaneous magnetisation is

Q. Assertion (A): Hall effect is used to determine whether the semi- conductor is p or n type.

Reason (R): Under the influence of field, holes and electrons move in opposite direction.

Q. The most important set of specifications of transformer oil include

Q. Nickel is a non-magnetic material.

Q. Assertion (A): If an atom of polarizability a is placed in homogeneous field E, the energy stored is 0.5 αE².

Reason (R): Capacitance of an isolated conducting sphere R in vacuum is 4 π∈₀ R farads.

Q. Which of the following are true for relative dielectric constant?

1. It is dimensionless.
2. It is equal to 1 for vacuum.
3.It is equal to 1 for all substances.

Q. Schrodinger wave equation is partial differential equation.

Q. Hall effect is observed in a specimen (metal or semi- conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!