Question
a.
Thermistor
b.
Photoconductor
c.
Transistor
d.
Varistor
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. Which of the following is used in temperature alarm circuits?
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. n type semiconductors
View solution
Q. The most important primary force of attraction in the formation of solids is
View solution
Q. When two conductors carry currents in the same direction the force is repulsive.
View solution
Q. The number of turns in a coil is doubled. If initial time constant is T, the new time constant is
View solution
Q. When a trivalent impurity is added, the semiconductor becomes
View solution
Q. Iron has a body centred cubic structure.
View solution
Q. The units of polarization of dielectric are
View solution
Q. When a potential is applied across an intrinsic semiconductor, holes flow
View solution
Q. For magnetic shielding, we need a ferromagnetic material.
View solution
Q. Assertion (A): Electronic polarizability increases as atoms becomes larger.
Reason (R): For rare gas, ∈₀(∈ᵣ - 1) E = Nαe, where N is number of atoms/m³ and αe is electronic polarizability of material.
View solution
Q. In a metal, the valence electrons
View solution
Q. All magnetic materials exhibit the phenomenon of saturation.
View solution
Q. On the basis of the type of chemical bonds, solids may be classified into
View solution
Q. The units for intrinsic strength of dielectric are
View solution
Q. Specific resistance of silver is about
View solution
Q. The v-i relation for an arc is v = 44 + 30/i . If v = 50 V, i =
View solution
Q. Assertion (A): If an electron having charge e is revolving in an orbit of radius R and with angular velocity ω, the magnetic dipole moment of orbit is 0.5 eωR².
Reason (R): Orbital angular momentum and magnetic dipole moment are always equal.
View solution
Q. Assertion (A): A capacitor with imperfect dielectric can be represented by a capacitance in parallel with resistance.
Reason (R): For imperfect dielectrics, dielectric constant has real and imaginary parts.
View solution
Q. An atom of a rare gas is placed is an electric field E. Then
View solution
Q. In van der walls crystals, there exists a high degree of stability of the outer electron shell.
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!
