Skip to content
AnsweringExams.Com
  • Home
  • Contact Us / Report Error
  • Disclaimer

Semiconductor Theory

When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on_________________?

August 12, 2021December 24, 2018 by admin
When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on_________________?

A. Junction capacitance
B. Minority carriers
C. Majority carriers
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

The leakage current in a pn junction is of the order of________________?

August 12, 2021December 24, 2018 by admin
The leakage current in a pn junction is of the order of________________?

A. Aa
B. mA
C. kA
D. µA

Categories Electrical Engineering Mcqs, Semiconductor Theory

The leakage current across a pn junction is due to________________?

August 12, 2021December 24, 2018 by admin
The leakage current across a pn junction is due to________________?

A. Minority carriers
B. Majority carriers
C. Junction capacitance
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

With forward bias to a pn junction , the width of depletion layer__________________?

August 12, 2021December 24, 2018 by admin
With forward bias to a pn junction , the width of depletion layer__________________?

A. Decreases
B. Increases
C. Remains the same
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

At room temperature, an intrinsic semiconductor has_______________?

August 12, 2021December 24, 2018 by admin
At room temperature, an intrinsic semiconductor has_______________?

A. Many holes only
B. A few free electrons and holes
C. Many free electrons only
D. No holes or free electrons

Categories Electrical Engineering Mcqs, Semiconductor Theory

At room temperature, an intrinsic silicon crystal acts approximately as_______________?

August 12, 2021December 24, 2018 by admin
At room temperature, an intrinsic silicon crystal acts approximately as_______________?

A. A battery
B. A conductor
C. An insulator
D. A piece of copper wire

Categories Electrical Engineering Mcqs, Semiconductor Theory

A forward biased pn junction diode has a resistance of the order of_____________?

August 12, 2021December 24, 2018 by admin
A forward biased pn junction diode has a resistance of the order of_____________?

A. O
B. kO
C. MO
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

In a semiconductor, current conduction is due to________________?

August 12, 2021December 24, 2018 by admin
In a semiconductor, current conduction is due to________________?

A. Only holes
B. Only free electrons
C. Holes and free electrons
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

The impurity level in an extrinsic semiconductor is about_______________of pure semiconductor ?

August 12, 2021December 24, 2018 by admin
The impurity level in an extrinsic semiconductor is about_______________of pure semiconductor ?

A. 10 atoms for 108 atoms
B. 1 atom for 108 atoms
C. 1 atom for 104 atoms
D. 1 atom for 100 atoms

Categories Electrical Engineering Mcqs, Semiconductor Theory

The resistivity of pure germanium under standard conditions is about_______________?

August 12, 2021December 24, 2018 by admin
The resistivity of pure germanium under standard conditions is about_______________?

A. 6 x 104 cm
B. 60 x cm
C. 3 x 106 cm
D. 6 x 10-4 cm

Categories Electrical Engineering Mcqs, Semiconductor Theory
Older posts
Newer posts
← Previous Page1 Page2 Page3 Page4 Next →
© 2025 AnsweringExams.Com • Built with GeneratePress