Question

A silicon PN junction diode under reverse bias has depletion region of width 10 μm. The relative permittivity of silicon, Ɛr = 11.7 and the permittivity of free space Ɛ₀ = 8.85 x 10¯¹² F/m. The depletion capacitance of the diode per square meter is

a.

100 μF

b.

10 μF

c.

1 μF

d.

20 μF

Answer: (b).10 μF

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. A silicon PN junction diode under reverse bias has depletion region of width 10 μm. The relative permittivity of silicon, Ɛr = 11.7 and the permittivity of free space Ɛ₀ = 8.85 x...

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. A delay equalizer is a

Q. A cascade amplifier stage is equivalent to

Q. Which one of the following devices is not used as the controller in a stabilizer?

Q. The disadvantage of transformer coupling in amplifier is

Q. A transistor is said to be in a quiescent state when

Q. According to Barkhausen criteria in order to sustain the oscillations

Q. A Wien bridge oscillator uses

Q. In the above case, what will be the value of capacitor to obtain 100 kHz frequency?

Q. Equal amplitude ac signals are given as inputs to both inverting and given as inputs to both inverting and non-inverting terminals of an op-amp. The output will be zero when the phase difference between inputs is

Q. Which of the following can be used to isolate a low impedance from a high impedance source?

Q. A class C amplifier uses

Q. A three-section RC phase shift oscillator has R = 10K ohms and C = 0.001 μF. If the oscillator is to be made variable using the same value of R, what should be the value of capacitor to obtain a frequency if 1 kHz?

Q. The input to negative clamper has a peak value of Vp. Then in the output the positive and negative peaks are nearly

Q. In a common Emitter BJT amplifier, the maximum usable supply voltage is limited by

Q. High frequency oscillations can be caused by

Q. A feedback network to be used with an amplifier to provide oscillation is tested and found to give an output of 0.124 V with a 0.5 V input. What will be the effect on output if the amplifier's gain is twice that required by the Barkhausen criterion?

Q. A transistor in CE mode is in saturation region. Then the collector is almost at

Q. The semi-conductor type 2 N 34 indicates

Q. The emitter bias largely depends on

Q. A limiter circuit can be built using a diode and resistance.

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!