Question
a.
proportional to E
b.
proportional to √E
c.
inversely proportional to E
d.
proportional to E²
Posted under Electronics and Communication Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. In a metal, the drift velocity of electrons in the presence of a electric field E is
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. At a temperature of about 1 K, aluminium is a
View solution
Q. If v is the velocity of electron, tc is the average time between collisions, the mean free path λ = vtc.
View solution
Q. A liquid has N permanent dipoles μᵨ per unit volume and has been subjected to dc field for a long time such that orientation polarization is P₀. At t = 0, the field is suddenly removed, then polarization
View solution
Q. Assertion (A): Orbital magnetic moment of an electron in an atom is of the order of 1 Bohr magneton.
Reason (R): 1 Bohr magneton = 9.27 x 10^-24 A/m².
View solution
Q. As per Bohr's postulate, only those circular orbits are stable for which the angular momentum is equal to an integer times h/2π .
View solution
Q. Inductors used at V.H.F. are made using
View solution
Q. The resistivity of intrinsic semiconductors, at room temperature, is of the order of
View solution
Q. In terms of classical representation of electrons
View solution
Q. To produce magnetic flux, mmf is necessary.
View solution
Q. Semiconductors have a positive temperature coefficient of resistivity.
View solution
Q. An electrolytic capacitor can be used for
View solution
Q. As regards ferromagnetic Curie temperature Qf and paramagnetic curie temperature θ
View solution
Q. The iron core of a coil is removed so that it becomes an air cored coil. Its inductance will
View solution
Q. A circular sphere mile is the area of cross-section of a wire
View solution
Q. In an hydrogen atom, an electron moves in the field of a proton. The stability of orbit requires equilibrium between coulomb's force and centrifugal force.
View solution
Q. For small size high frequency coils, the most common core material is
View solution
Q. The orientation polarization of a polyatomic gas is inversely proportional to absolute temperature.
View solution
Q. For a given value (n) of principle quantum number, the number of possible electronic states are
View solution
Q. Electrical conductivity of metals expressed in ohm¯¹ m¯¹ is of the order of
View solution
Q. In a metal the probability of a state 0.1 eV below Fermi level being occupied
View solution
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!
