Question

The minority carrier life time and diffusion constant in a semiconducting material are 100 μs and 100 cm²/s respectively. The diffusion length of carriers is

a.

0.1 cm

b.

0.01 cm

c.

0.0141 cm

d.

1 cm

Answer: (a).0.1 cm

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. The minority carrier life time and diffusion constant in a semiconducting material are 100 μs and 100 cm²/s respectively. The diffusion length of carriers is

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Assertion (A): Electronic and Ionic polarization in a polyatomic gas are independent of temperature.
Reason (R): The orientation polarization is independent of temperature.

Q. Two materials having temperature coefficients of 0.004 and 0.0004 respectively are joined in series. The overall temperature coefficient is likely to be

Q. Diamond is a paramagnetic material.

Q. Which capacitor-store higher amount of energy?

Q. Above ferroelectric curie temperature, spontaneous polarization in ferroelectric materials becomes stronger.

Q. In paramagnetic materials

Q. Assertion (A): Atomic number of sodium is 11.
Reason (R): Sodium has a body centred cubic lattice.

Q. The number of valence electrons in pentavalent impurity is

Q. If the diameter of a wire is doubled, its current carrying capacity becomes

Q. The law J = σE, where J is current density, σ is electrical conductivity and E is field strength is

Q. Assertion (A): Silicon is less sensitive to changes in temperature than germanium.
Reason (R): Cut in voltage in silicon is less than that in germanium.

Q. Material which lack permanent magnetic dipoles are known as

Q. The attraction between the nucleus and valence electron of copper atom is

Q. If the temperature of an extrinsic semiconductor is increased so that the intrinsic carrier concentration is doubled, then

Q. There is no hysteresis phenomenon is any dielectric material.

Q. The units of μ₀ and μᵣ are

Q. In metals the valence electron wave functions are strongly perturbed by the presence of neighbouring atoms.

Q. The classes of solid dielectrics are

Q. A 200 turn coil has a self inductance of 10 mH. If the number of turns is doubled, all other quantities remaining the same, the self inductance will be

Q. A material which is lightly repelled by a magnetic field is known as

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!