Classification of Solids
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365189 Assertion :
The probability of electrons to be found in the conduction band of an intrinsic semiconductor at a finite temperature decrease exponentially with increasing band gap.
Reason :
It will be more difficult for the electron to cross over the large band gap while going from valence band to conduction band.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365190 In a semiconductor, separation between conduction and valence band is of the order of

1 \(0\,eV\)
2 \(1\,eV\)
3 \(10\,eV\)
4 \(50\,eV\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365191 Based on the energy band description, a solid can be classified as an insulator. The energy gap between the valence band and conduction band is

1 \(3eV < {E_g} < 6eV\)
2 \({E_g} > 6eV\)
3 \({E_g} < 3eV\)
4 \({E_g} = 0\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365192 Band gap of silicon is \({E_g}(Si)\) of germanium is \({E_g}(Ge)\) and of carbon is \({E_g}(C)\). The correct order of band gap is

1 \({E_g}(Si) < {E_g}(Ge) < {E_g}(C)\)
2 \({E_g}(Si) > {E_g}(Ge) < {E_g}(C)\)
3 \({E_g}(Si) < {E_g}(Ge) > {E_g}(C)\)
4 \({E_g}(Si) > {E_g}(Ge) > {E_g}(C)\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365189 Assertion :
The probability of electrons to be found in the conduction band of an intrinsic semiconductor at a finite temperature decrease exponentially with increasing band gap.
Reason :
It will be more difficult for the electron to cross over the large band gap while going from valence band to conduction band.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365190 In a semiconductor, separation between conduction and valence band is of the order of

1 \(0\,eV\)
2 \(1\,eV\)
3 \(10\,eV\)
4 \(50\,eV\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365191 Based on the energy band description, a solid can be classified as an insulator. The energy gap between the valence band and conduction band is

1 \(3eV < {E_g} < 6eV\)
2 \({E_g} > 6eV\)
3 \({E_g} < 3eV\)
4 \({E_g} = 0\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365192 Band gap of silicon is \({E_g}(Si)\) of germanium is \({E_g}(Ge)\) and of carbon is \({E_g}(C)\). The correct order of band gap is

1 \({E_g}(Si) < {E_g}(Ge) < {E_g}(C)\)
2 \({E_g}(Si) > {E_g}(Ge) < {E_g}(C)\)
3 \({E_g}(Si) < {E_g}(Ge) > {E_g}(C)\)
4 \({E_g}(Si) > {E_g}(Ge) > {E_g}(C)\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365189 Assertion :
The probability of electrons to be found in the conduction band of an intrinsic semiconductor at a finite temperature decrease exponentially with increasing band gap.
Reason :
It will be more difficult for the electron to cross over the large band gap while going from valence band to conduction band.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365190 In a semiconductor, separation between conduction and valence band is of the order of

1 \(0\,eV\)
2 \(1\,eV\)
3 \(10\,eV\)
4 \(50\,eV\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365191 Based on the energy band description, a solid can be classified as an insulator. The energy gap between the valence band and conduction band is

1 \(3eV < {E_g} < 6eV\)
2 \({E_g} > 6eV\)
3 \({E_g} < 3eV\)
4 \({E_g} = 0\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365192 Band gap of silicon is \({E_g}(Si)\) of germanium is \({E_g}(Ge)\) and of carbon is \({E_g}(C)\). The correct order of band gap is

1 \({E_g}(Si) < {E_g}(Ge) < {E_g}(C)\)
2 \({E_g}(Si) > {E_g}(Ge) < {E_g}(C)\)
3 \({E_g}(Si) < {E_g}(Ge) > {E_g}(C)\)
4 \({E_g}(Si) > {E_g}(Ge) > {E_g}(C)\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365189 Assertion :
The probability of electrons to be found in the conduction band of an intrinsic semiconductor at a finite temperature decrease exponentially with increasing band gap.
Reason :
It will be more difficult for the electron to cross over the large band gap while going from valence band to conduction band.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365190 In a semiconductor, separation between conduction and valence band is of the order of

1 \(0\,eV\)
2 \(1\,eV\)
3 \(10\,eV\)
4 \(50\,eV\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365191 Based on the energy band description, a solid can be classified as an insulator. The energy gap between the valence band and conduction band is

1 \(3eV < {E_g} < 6eV\)
2 \({E_g} > 6eV\)
3 \({E_g} < 3eV\)
4 \({E_g} = 0\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365192 Band gap of silicon is \({E_g}(Si)\) of germanium is \({E_g}(Ge)\) and of carbon is \({E_g}(C)\). The correct order of band gap is

1 \({E_g}(Si) < {E_g}(Ge) < {E_g}(C)\)
2 \({E_g}(Si) > {E_g}(Ge) < {E_g}(C)\)
3 \({E_g}(Si) < {E_g}(Ge) > {E_g}(C)\)
4 \({E_g}(Si) > {E_g}(Ge) > {E_g}(C)\)