Semiconductor Devices Test

Result

Semiconductor Devices Test - 41

Score
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Rank
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Weekly Quiz Competition

Question 1
4 / -1

Assertion : The resistivity of a semi-conductor decreases with temperature
Reason : At higher temperature more co-valent bond breaks

A
If both Assertion and Reason are true and reason is the correct explanation of assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of assertion.

C
If Assertion is true but Reason is false

D
If both assertion and reason are false
Question 2
4 / -1

Assertion : NAND (or NOR) gates are called digital building blocks
Reason : The different combination of NAND (or NOR) gates can produce all the basic or complicated gates.

A
If both Assertion and Reason are true and reason is the correct explanation of assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of assertion.

C
If Assertion is true but Reason is false

D
If both assertion and reason are false
Question 3
4 / -1

Assertion : The colour of light emitted by depends on its forward bias.
Reason : The forward biasing of PN junction diode will increase the width of depletion layer

A
If both Assertion and Reason are true and reason is the correct explanation of assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of assertion.

C
If Assertion is true but Reason is false

D
If both assertion and reason are false
Question 4
4 / -1

Assertion : The ionization energy of isolated phosphorous is very large
Reason : The ionization energy of phosphorous in lattice is very small

A
If both Assertion and Reason are true and reason is the correct explanation of assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of assertion.

C
If Assertion is true but Reason is false

D
If both assertion and reason are false
Question 5
4 / -1

Assertion : Mostly transistor are used in common emitter configuration
Reason : Common emitter configuration provide more current gain and small voltage gain

A
If both Assertion and Reason are true and reason is the correct explanation of assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of assertion.

C
If Assertion is true but Reason is false

D
If both assertion and reason are false
Question 6
4 / -1

Assertion : A transistor amplifier circuit in common emitter configuration has low input impednce
Reason : Base - emitter junction is forward biased

A
If both Assertion and Reason are true and reason is the correct explanation of assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of assertion.

C
If Assertion is true but Reason is false

D
If both assertion and reason are false
Question 7
4 / -1

Which of the following logic gate will have output 1 ?

A

B

C

D
Question 8
4 / -1

The symbol respresents :

A
NOT gate

B
OR gate

C
AND gate

D
NOR gate
Question 9
4 / -1

The logic circuit shown in the figure, is the equivalent diagram of which logic gate ?

A
OR gate

B
NAND gate

C
AND gate

D
NOR gate
Question 10
4 / -1

For the given circuit of ideal P.N junction diode which is correct ?

A
In F.B, the voltage across R is V

B
In R.B, the voltage across R is V

C
In F.B, the voltage across R is –V

D
In R.B the voltage across R is –V