You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VII

Chemistry

Resistance and Resistivity

The resistivi...

Question

The resistivity of a semiconductor at room temperature is in between

10^{- 2}

10^{- 5} Ω c m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

10^{- 3}

10^{6} Ω c m

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

10^{6}

10^{8} Ω c m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

10^{10}

10^{12} Ω c m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $10^{- 3}$ to $10^{6} Ω c m$
Resistivity of a semiconductor at room temp. is in between $10^{- 5} Ω m$ to $10^{4} Ω m$ i.e. $10^{- 3}$ to $10^{6} Ω c m$

Suggest Corrections

Similar questions

Q. The electron density of intrinsic semiconductor at room temperature is

10^{16}

m^{- 3}

. When doped with a trivalent impurity, the electron density is decreased to

10^{14}

m^{- 3}

at the same temperature. The majority carrier density is:

Q. The resistance of a wire at room temperature

30^{o} C

is found to be

10 Ω

. Now to increase the resistance by 10%, the temperature of the wire must be: [The temperature coefficient of resistance of the material of the wire is 0.002 per

^{o} C

]

An iron ring measuring $15.00 c m$ in diameter is to be shrunk on a pulley which is $15.05 c m$ in diameter. All measurements are done at a room temperature of $20^{\circ} C$ . To what minimum temperature should the ring be heated to make the job possible? Calculate the strain developed in the ring when it comes to the room temperature. Coefficient of linear expansion of iron = $12 \times 10^{- 6} /^{\circ} C$ .

Q. If a semiconductor has an intrinsic carrier concentration of

\frac{1.41 \times 10^{16}}{m^{3}}

when doped with

\frac{10^{21}}{m^{3}}

phosphorous atoms, then the concentration of holes per cubic meter at room temperature will be

Q. A crystal of intrinsic silicon at room temperature has a carrier concentration of

1.6 \times 10^{16} / m^{3}

. If the donor concentration level is

0.48 \times 10^{20} / m^{3}

, then the concentration of holes in the semiconductor is:

Join BYJU'S Learning Program

The resistivity of a semiconductor at room temperature is in between

The correct option is B 10−3 to 106ΩcmResistivity of a semiconductor at room temp. is in between 10−5Ωm to 104Ωm i.e. 10−3 to 106Ωcm

The correct option is B $10^{- 3}$ to $10^{6} Ω c m$
Resistivity of a semiconductor at room temp. is in between $10^{- 5} Ω m$ to $10^{4} Ω m$ i.e. $10^{- 3}$ to $10^{6} Ω c m$