Miscellaneous Problems on Semiconductor Electronics: Materials, Devices & Simple Circuits
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365273 Assertion :
In vacuum tubes (valves), vacuum is necessary for the movement of electrons between electrodes otherwise electrons collide with air particle and loses their energy.
Reason :
In semiconductors devices, external heating or vacuum is not required.

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

365274 8 bits form

1 1 byte
2 1 diction
3 1 nibble
4 1 binary
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365275 Assertion :
\(pn\) junction diode can be used even ultra high frequencies.
Reason :
Capacitive reactance of a \(pn\) junction diode increases as frequency increases.

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

365276 The effect of increase in temperature on the number of electrons in conduction band ( \(n_{e}\) ) and resistance of a semiconductor will be as

1 \(n_{e}\) decreases, resistance increases
2 Both \(n_{e}\) and resistance increases
3 \(n_{e}\) increases, resistance decreases
4 Both \(n_{e}\) and resistance decreases
JEE - 2023
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365273 Assertion :
In vacuum tubes (valves), vacuum is necessary for the movement of electrons between electrodes otherwise electrons collide with air particle and loses their energy.
Reason :
In semiconductors devices, external heating or vacuum is not required.

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

365274 8 bits form

1 1 byte
2 1 diction
3 1 nibble
4 1 binary
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365275 Assertion :
\(pn\) junction diode can be used even ultra high frequencies.
Reason :
Capacitive reactance of a \(pn\) junction diode increases as frequency increases.

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

365276 The effect of increase in temperature on the number of electrons in conduction band ( \(n_{e}\) ) and resistance of a semiconductor will be as

1 \(n_{e}\) decreases, resistance increases
2 Both \(n_{e}\) and resistance increases
3 \(n_{e}\) increases, resistance decreases
4 Both \(n_{e}\) and resistance decreases
JEE - 2023
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365273 Assertion :
In vacuum tubes (valves), vacuum is necessary for the movement of electrons between electrodes otherwise electrons collide with air particle and loses their energy.
Reason :
In semiconductors devices, external heating or vacuum is not required.

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

365274 8 bits form

1 1 byte
2 1 diction
3 1 nibble
4 1 binary
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365275 Assertion :
\(pn\) junction diode can be used even ultra high frequencies.
Reason :
Capacitive reactance of a \(pn\) junction diode increases as frequency increases.

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

365276 The effect of increase in temperature on the number of electrons in conduction band ( \(n_{e}\) ) and resistance of a semiconductor will be as

1 \(n_{e}\) decreases, resistance increases
2 Both \(n_{e}\) and resistance increases
3 \(n_{e}\) increases, resistance decreases
4 Both \(n_{e}\) and resistance decreases
JEE - 2023
Join With Us for More Updates
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365273 Assertion :
In vacuum tubes (valves), vacuum is necessary for the movement of electrons between electrodes otherwise electrons collide with air particle and loses their energy.
Reason :
In semiconductors devices, external heating or vacuum is not required.

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

365274 8 bits form

1 1 byte
2 1 diction
3 1 nibble
4 1 binary
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365275 Assertion :
\(pn\) junction diode can be used even ultra high frequencies.
Reason :
Capacitive reactance of a \(pn\) junction diode increases as frequency increases.

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

365276 The effect of increase in temperature on the number of electrons in conduction band ( \(n_{e}\) ) and resistance of a semiconductor will be as

1 \(n_{e}\) decreases, resistance increases
2 Both \(n_{e}\) and resistance increases
3 \(n_{e}\) increases, resistance decreases
4 Both \(n_{e}\) and resistance decreases
JEE - 2023
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