Have a query? Ask a Tutor!!

Access to best educators and exclusive paper discussions

Offsite Campus Turito Championship

Can’t find what you’re looking for?

Our tutors are from top schools around the world, and they are waiting for you 24/7, anytime, anywhere.

Homework- One to One Solutions
Understand concepts to solve better
Get your doubts solved instantly

Physics-

General

Easy

Question

A Ge specimen is doped with Al. The concentration of acceptor atoms is $tilde$ 10²¹ atoms/m³. Given that the intrinsic concentration of electron hole pairs is $tilde 1 0 to the power of 19 end exponent divided by m to the power of 3 end exponent$ , the concentration of electrons in the specimen is

$1 0^{17} / m^{3}$
$1 0^{15} / m^{3}$
$1 0^{4} / m^{3}$
$1 0^{2} / m^{3}$

The correct answer is: $1 0 to the power of 17 end exponent divided by m to the power of 3 end exponent$

$n subscript i end subscript superscript 2 end superscript$ = $n subscript h end subscript n subscript e end subscript rightwards double arrow$ $left parenthesis 1 0 to the power of 19 end exponent right parenthesis to the power of 2 end exponent equals 1 0 to the power of 21 end exponent cross times n subscript e end subscript$ $rightwards double arrow$ $n subscript e end subscript equals 1 0 to the power of 17 end exponent divided by m to the power of 3 end exponent.$

Related Questions to study

The valence band and conduction band of a solid overlap at low temperature, the solid may be

The valence band and conduction band of a solid overlap at low temperature, the solid may be

Physics-General

In a P-type semiconductor, germanium is doped with

In a P-type semiconductor, germanium is doped with

Physics-General

The impurity atom added to germanium to make it N-type semiconductor is

The impurity atom added to germanium to make it N-type semiconductor is

Physics-General

parallel

If $N subscript P end subscript$ and $N subscript e end subscript$ be the numbers of holes and conduction electrons in an extrinsic semiconductor, then

If $N subscript P end subscript$ and $N subscript e end subscript$ be the numbers of holes and conduction electrons in an extrinsic semiconductor, then

Physics-General

When Ge crystals are doped with phosphorus atom, then it becomes

When Ge crystals are doped with phosphorus atom, then it becomes

Physics-General

A piece of copper and the other of germanium are cooled from the room temperature to 80 K, then which of the following would be a correct statement

A piece of copper and the other of germanium are cooled from the room temperature to 80 K, then which of the following would be a correct statement

Physics-General

parallel

Bonding in a germanium crystal (semi- conductor) is

Bonding in a germanium crystal (semi- conductor) is

Physics-General

What is the coordination number of sodium ions in the case of sodium chloride structure

What is the coordination number of sodium ions in the case of sodium chloride structure

Physics-General

The expected energy of the electrons at absolute zero is called

The expected energy of the electrons at absolute zero is called

Physics-General

parallel

If the series limit of Lymen series for Hydrogen atom is equal to the series limit of Balmer series for a hydrogen like atom, then atomic number o this hydrogen like atom will be

If the series limit of Lymen series for Hydrogen atom is equal to the series limit of Balmer series for a hydrogen like atom, then atomic number o this hydrogen like atom will be

Physics-General

Consider an initially pure M gm sample of ^AX, an isotope that has a half life of T hour, what is it’s initial decay rate (N_A= Avogrado No.)

Consider an initially pure M gm sample of ^AX, an isotope that has a half life of T hour, what is it’s initial decay rate (N_A= Avogrado No.)

Physics-General

Nuclear fission can be explained based on

Nuclear fission can be explained based on

Physics-General

parallel

$text If end text c o s invisible function application 25 to the power of ring operator end exponent plus s i n invisible function application 25 to the power of ring operator end exponent equals$ K_t then cos $20 to the power of ring operator end exponent$ equal to

$text If end text c o s invisible function application 25 to the power of ring operator end exponent plus s i n invisible function application 25 to the power of ring operator end exponent equals$ K_t then cos $20 to the power of ring operator end exponent$ equal to

$text If end text c o s to the power of 2 end exponent invisible function application x plus c o s to the power of 4 end exponent invisible function application x equals 1 text , then the value of end text t a n to the power of 4 end exponent invisible function application x plus c o t to the power of 4 end exponent invisible function application x plus t a n to the power of 2 end exponent invisible function application x minus c o t to the power of 2 end exponent invisible function application x text is equal to end text$

$text If end text c o s to the power of 2 end exponent invisible function application x plus c o s to the power of 4 end exponent invisible function application x equals 1 text , then the value of end text t a n to the power of 4 end exponent invisible function application x plus c o t to the power of 4 end exponent invisible function application x plus t a n to the power of 2 end exponent invisible function application x minus c o t to the power of 2 end exponent invisible function application x text is equal to end text$

If cot $theta equals fraction numerator square root of m plus square root of n over denominator square root of m minus square root of n end root end fraction$ ,then $left parenthesis m plus n right parenthesis$ cos $2 theta$ is equal to

If cot $theta equals fraction numerator square root of m plus square root of n over denominator square root of m minus square root of n end root end fraction$ ,then $left parenthesis m plus n right parenthesis$ cos $2 theta$ is equal to

parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.