Recent questions tagged conduction of electricity in solids

+3 votes

1 answer

Accept or atoms introduced into a pure semiconductor at room temperature:

asked Apr 5, 2019 in Mathematics by kratos

+2 votes

1 answer

In a metal at 0 K, the Fermi energy is: A. the highest energy of any electron

asked Mar 15, 2019 in Mathematics by kratos

+3 votes

1 answer

Application of a forward bias to a p-n -junction (a) widens the depletion zone

asked Mar 9, 2019 in Class 12 by kratos

+3 votes

1 answer

The Fermi energy of a metal depends primarily on: A. the temperature

asked Mar 8, 2019 in Mathematics by kratos

+3 votes

1 answer

The contact electric field in the depletion region of a p-n junction is produced by:

asked Feb 25, 2019 in Mathematics by kratos

+3 votes

1 answer

Application of a forward bias to a p-n junction: A. narrows the depletion zone

asked Feb 20, 2019 in Class 12 by kratos

+2 votes

1 answer

Let f(x) = x sin πx, x > 0. Then for all natural numbers n, f' (x) vanishes at

asked Feb 11, 2019 in JEE by kratos

+3 votes

1 answer

The gap between the valence and conduction bands of a certain semiconductor is 0.85 eV.

asked Feb 9, 2019 in Class 12 by kratos

+3 votes

1 answer

A certain material has a resistivity of 7.8 × 10^−8 Ω · m at room temperature and it increases as the temperature

asked Feb 9, 2019 in Mathematics by kratos

+3 votes

1 answer

When a forward bias is applied to a p-n junction the concentration of electrons on the p side:

asked Jan 31, 2019 in Mathematics by kratos

+1 vote

1 answer

The drift current in a p-n junction is (a) from the n-side to the p-side (b) from the p-side to the n-side

asked Jan 11, 2019 in Class 12 by kratos

+3 votes

1 answer

For an unbiased p-n junction, the energy at the bottom of the conduction band on the n side is:

asked Jan 9, 2019 in Mathematics by kratos

+3 votes

1 answer

In an unbiased p-n junction: A. the electric potential vanishes everywhere

asked Dec 27, 2018 in Mathematics by kratos

+3 votes

1 answer

Define temperature coefficient of resistivity.

asked Dec 6, 2018 in JEE by kratos

+1 vote

1 answer

A certain material has a resistivity of 7.8 × 10^3 Ω · m at room temperature and it increases

asked Nov 14, 2018 in Mathematics by kratos

+1 vote

1 answer

In a pure metal the collisions that are characterized by the mean free time τ in the expression

asked Nov 13, 2018 in Mathematics by kratos

+2 votes

1 answer

Application of a forward bias to a p-n junction: A. increases the drift current in the depletion zone

asked Oct 27, 2018 in Class 12 by kratos

+3 votes

1 answer

Let y = x^2 · e^–x then the interval in which y increases with respect to x is

asked Oct 7, 2018 in JEE by kratos

+1 vote

1 answer

Explain about energy bands in solids and type of semiconductors

asked Sep 20, 2018 in Class 12 by kratos

+1 vote

1 answer

For a metal at room temperature the temperature coefficient of resistivity is determined primarily by:

asked Sep 13, 2018 in Mathematics by kratos

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