Question

In a N-P-N transistor the function of the emitter is

a.

to emit or inject holes into the collector

b.

to emit or inject electrons into the collector

c.

to emit or inject electrons into the base

d.

to emit or inject holes into the base

Answer: (c).to emit or inject electrons into the base

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. In a N-P-N transistor the function of the emitter is

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. The properties of FETs resemble closely to

Q. The source of the harmonic distortion in a RC coupled transistor amplifier is usually

Q. Two transistors have same value of a but different gain (G) bandwidth (B) product. The transistors have similar geometry. However one of them is germanium and the other is silicon. The transistor with lower GB product

Q. Which distortion is least objectionable in case of audio amplifiers?

Q. In a single stage differential amplifier, the output offset voltage is mainly dependent on the mismatch of

Q. In a combination limiter with sinusoidal input voltage the output wave can be nearly square.

Q. Assertion (A): A Darlington amplifier has very low output impedance

Reason (R): The circuit has a low resistance RE between emitter and ground

Q. A Hartley oscillator uses

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 10¯¹² F/m. The depletion capacitance of the diode per square meter is

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

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!