Energy Bands (Valance, Conduction, Energy Gap), Conductor Insulator and Semiconductor
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Semiconductor Electronics Material Devices and Simple Circuits

150468 The resistivity ( \(\rho\) ) of semiconductor varies with temperature. Which of the following curve represents the correct behaviour

1 original image
2 original image
3 original image
4 original image
JEE Main-06.04.2023
Semiconductor Electronics Material Devices and Simple Circuits

150470 Match List I with List II.
| List I Intrinsic | List II |
| :--- | :--- |
| A. Fermi - level near the \lt br> valence band | I. Fermi - level near the valence band |
| B. n - type \lt br> semiconductor | II. Fermi - level in the \lt br> middle of valence and \lt br> conduction band |
| C. p type \lt br> semiconductor | III. Fermi - level near the \lt br> conduction band |
| D. Metals | IV. Fermi - level inside the \lt br> conduction band |
Choose the correct answer from the options given below:

1 A -I , B - II, C- III, D - IV
2 A - III , B - I, C - II, D - IV
3 A - II , B - I, C - III, D - IV
4 A- II , B - III, C - I, D - IV
JEE Main-01.02.2023
Semiconductor Electronics Material Devices and Simple Circuits

150471 Assertion (A) \(\mathrm{Si}\) and GaAs are the preferred materials for solar cells.
Reason (R) Both these materials have energy band gaps much below the energy level corresponding to the maximum solar irradiance in the solar spectrum.
The correct answer is

1 (A) is correct but (R) is incorrect.
2 Both (A) and (R) are correct and (R) is the correct explanation of (A).
3 Both (A) and (R) are correct but (R) is not the correct explanation of (A).
4 Both (A) and (R) are incorrect.
TS- EAMCET-04.05.2019
Semiconductor Electronics Material Devices and Simple Circuits

150472 A piece of copper and another of germanium are cooled from room temperature to \(77^{\circ} \mathrm{K}\). The resistance of

1 copper increases and germanium decreases
2 both decreases
3 both increases
4 copper decreases and germanium increases
TS- EAMCET-09.09.2020
Semiconductor Electronics Material Devices and Simple Circuits

150488 A semiconductor has an electron concentration density of \(8 \times 10^{14} / \mathrm{cm}^3\) and that of holes is \(5 \times 10^{12}\) \(/ \mathrm{cm}^3\). The semiconductor is

1 n-type
2 p-type
3 intrinsic
4 p-n- p type
CG PET- 2004
NEET DIGITAL LIBRARY
Semiconductor Electronics Material Devices and Simple Circuits

150468 The resistivity ( \(\rho\) ) of semiconductor varies with temperature. Which of the following curve represents the correct behaviour

1 original image
2 original image
3 original image
4 original image
JEE Main-06.04.2023
Semiconductor Electronics Material Devices and Simple Circuits

150470 Match List I with List II.
| List I Intrinsic | List II |
| :--- | :--- |
| A. Fermi - level near the \lt br> valence band | I. Fermi - level near the valence band |
| B. n - type \lt br> semiconductor | II. Fermi - level in the \lt br> middle of valence and \lt br> conduction band |
| C. p type \lt br> semiconductor | III. Fermi - level near the \lt br> conduction band |
| D. Metals | IV. Fermi - level inside the \lt br> conduction band |
Choose the correct answer from the options given below:

1 A -I , B - II, C- III, D - IV
2 A - III , B - I, C - II, D - IV
3 A - II , B - I, C - III, D - IV
4 A- II , B - III, C - I, D - IV
JEE Main-01.02.2023
Semiconductor Electronics Material Devices and Simple Circuits

150471 Assertion (A) \(\mathrm{Si}\) and GaAs are the preferred materials for solar cells.
Reason (R) Both these materials have energy band gaps much below the energy level corresponding to the maximum solar irradiance in the solar spectrum.
The correct answer is

1 (A) is correct but (R) is incorrect.
2 Both (A) and (R) are correct and (R) is the correct explanation of (A).
3 Both (A) and (R) are correct but (R) is not the correct explanation of (A).
4 Both (A) and (R) are incorrect.
TS- EAMCET-04.05.2019
Semiconductor Electronics Material Devices and Simple Circuits

150472 A piece of copper and another of germanium are cooled from room temperature to \(77^{\circ} \mathrm{K}\). The resistance of

1 copper increases and germanium decreases
2 both decreases
3 both increases
4 copper decreases and germanium increases
TS- EAMCET-09.09.2020
Semiconductor Electronics Material Devices and Simple Circuits

150488 A semiconductor has an electron concentration density of \(8 \times 10^{14} / \mathrm{cm}^3\) and that of holes is \(5 \times 10^{12}\) \(/ \mathrm{cm}^3\). The semiconductor is

1 n-type
2 p-type
3 intrinsic
4 p-n- p type
CG PET- 2004
Join With Us for More Updates
Semiconductor Electronics Material Devices and Simple Circuits

150468 The resistivity ( \(\rho\) ) of semiconductor varies with temperature. Which of the following curve represents the correct behaviour

1 original image
2 original image
3 original image
4 original image
JEE Main-06.04.2023
Semiconductor Electronics Material Devices and Simple Circuits

150470 Match List I with List II.
| List I Intrinsic | List II |
| :--- | :--- |
| A. Fermi - level near the \lt br> valence band | I. Fermi - level near the valence band |
| B. n - type \lt br> semiconductor | II. Fermi - level in the \lt br> middle of valence and \lt br> conduction band |
| C. p type \lt br> semiconductor | III. Fermi - level near the \lt br> conduction band |
| D. Metals | IV. Fermi - level inside the \lt br> conduction band |
Choose the correct answer from the options given below:

1 A -I , B - II, C- III, D - IV
2 A - III , B - I, C - II, D - IV
3 A - II , B - I, C - III, D - IV
4 A- II , B - III, C - I, D - IV
JEE Main-01.02.2023
Semiconductor Electronics Material Devices and Simple Circuits

150471 Assertion (A) \(\mathrm{Si}\) and GaAs are the preferred materials for solar cells.
Reason (R) Both these materials have energy band gaps much below the energy level corresponding to the maximum solar irradiance in the solar spectrum.
The correct answer is

1 (A) is correct but (R) is incorrect.
2 Both (A) and (R) are correct and (R) is the correct explanation of (A).
3 Both (A) and (R) are correct but (R) is not the correct explanation of (A).
4 Both (A) and (R) are incorrect.
TS- EAMCET-04.05.2019
Semiconductor Electronics Material Devices and Simple Circuits

150472 A piece of copper and another of germanium are cooled from room temperature to \(77^{\circ} \mathrm{K}\). The resistance of

1 copper increases and germanium decreases
2 both decreases
3 both increases
4 copper decreases and germanium increases
TS- EAMCET-09.09.2020
Semiconductor Electronics Material Devices and Simple Circuits

150488 A semiconductor has an electron concentration density of \(8 \times 10^{14} / \mathrm{cm}^3\) and that of holes is \(5 \times 10^{12}\) \(/ \mathrm{cm}^3\). The semiconductor is

1 n-type
2 p-type
3 intrinsic
4 p-n- p type
CG PET- 2004
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Semiconductor Electronics Material Devices and Simple Circuits

150468 The resistivity ( \(\rho\) ) of semiconductor varies with temperature. Which of the following curve represents the correct behaviour

1 original image
2 original image
3 original image
4 original image
JEE Main-06.04.2023
Semiconductor Electronics Material Devices and Simple Circuits

150470 Match List I with List II.
| List I Intrinsic | List II |
| :--- | :--- |
| A. Fermi - level near the \lt br> valence band | I. Fermi - level near the valence band |
| B. n - type \lt br> semiconductor | II. Fermi - level in the \lt br> middle of valence and \lt br> conduction band |
| C. p type \lt br> semiconductor | III. Fermi - level near the \lt br> conduction band |
| D. Metals | IV. Fermi - level inside the \lt br> conduction band |
Choose the correct answer from the options given below:

1 A -I , B - II, C- III, D - IV
2 A - III , B - I, C - II, D - IV
3 A - II , B - I, C - III, D - IV
4 A- II , B - III, C - I, D - IV
JEE Main-01.02.2023
Semiconductor Electronics Material Devices and Simple Circuits

150471 Assertion (A) \(\mathrm{Si}\) and GaAs are the preferred materials for solar cells.
Reason (R) Both these materials have energy band gaps much below the energy level corresponding to the maximum solar irradiance in the solar spectrum.
The correct answer is

1 (A) is correct but (R) is incorrect.
2 Both (A) and (R) are correct and (R) is the correct explanation of (A).
3 Both (A) and (R) are correct but (R) is not the correct explanation of (A).
4 Both (A) and (R) are incorrect.
TS- EAMCET-04.05.2019
Semiconductor Electronics Material Devices and Simple Circuits

150472 A piece of copper and another of germanium are cooled from room temperature to \(77^{\circ} \mathrm{K}\). The resistance of

1 copper increases and germanium decreases
2 both decreases
3 both increases
4 copper decreases and germanium increases
TS- EAMCET-09.09.2020
Semiconductor Electronics Material Devices and Simple Circuits

150488 A semiconductor has an electron concentration density of \(8 \times 10^{14} / \mathrm{cm}^3\) and that of holes is \(5 \times 10^{12}\) \(/ \mathrm{cm}^3\). The semiconductor is

1 n-type
2 p-type
3 intrinsic
4 p-n- p type
CG PET- 2004
NEET DIGITAL LIBRARY
Semiconductor Electronics Material Devices and Simple Circuits

150468 The resistivity ( \(\rho\) ) of semiconductor varies with temperature. Which of the following curve represents the correct behaviour

1 original image
2 original image
3 original image
4 original image
JEE Main-06.04.2023
Semiconductor Electronics Material Devices and Simple Circuits

150470 Match List I with List II.
| List I Intrinsic | List II |
| :--- | :--- |
| A. Fermi - level near the \lt br> valence band | I. Fermi - level near the valence band |
| B. n - type \lt br> semiconductor | II. Fermi - level in the \lt br> middle of valence and \lt br> conduction band |
| C. p type \lt br> semiconductor | III. Fermi - level near the \lt br> conduction band |
| D. Metals | IV. Fermi - level inside the \lt br> conduction band |
Choose the correct answer from the options given below:

1 A -I , B - II, C- III, D - IV
2 A - III , B - I, C - II, D - IV
3 A - II , B - I, C - III, D - IV
4 A- II , B - III, C - I, D - IV
JEE Main-01.02.2023
Semiconductor Electronics Material Devices and Simple Circuits

150471 Assertion (A) \(\mathrm{Si}\) and GaAs are the preferred materials for solar cells.
Reason (R) Both these materials have energy band gaps much below the energy level corresponding to the maximum solar irradiance in the solar spectrum.
The correct answer is

1 (A) is correct but (R) is incorrect.
2 Both (A) and (R) are correct and (R) is the correct explanation of (A).
3 Both (A) and (R) are correct but (R) is not the correct explanation of (A).
4 Both (A) and (R) are incorrect.
TS- EAMCET-04.05.2019
Semiconductor Electronics Material Devices and Simple Circuits

150472 A piece of copper and another of germanium are cooled from room temperature to \(77^{\circ} \mathrm{K}\). The resistance of

1 copper increases and germanium decreases
2 both decreases
3 both increases
4 copper decreases and germanium increases
TS- EAMCET-09.09.2020
Semiconductor Electronics Material Devices and Simple Circuits

150488 A semiconductor has an electron concentration density of \(8 \times 10^{14} / \mathrm{cm}^3\) and that of holes is \(5 \times 10^{12}\) \(/ \mathrm{cm}^3\). The semiconductor is

1 n-type
2 p-type
3 intrinsic
4 p-n- p type
CG PET- 2004