Engineering

Electronic Devices and Circuits MCQs: 519 Questions & Answers in Engineering

519 Electronic Devices and Circuits MCQs in Engineering with answers & explanations. Page 9. Practice objective questions for competitive exams, interviews &… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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Electronic Devices and Circuits MCQs: 519 Questions & Answers in Engineering

What is the purpose of the emitter capacitor?

A common emitter circuit is also called circuit.

The output signal of a common-collector amplifier is always

Calculate the ripples of the filter output if a dc and ac voltmeter is used and measures the output signal from a filter circuit of 25 VDC and 1.5 Vrms

What is the ideal maximum voltage gain of a common collector amplifier?

The output power of a transistor amplifier is more than the input power due to additional power supplied by

When a transistor amplifier feeds a load of low resistance, its voltage gain will be

The capacitors are considered in the ac equivalent circuit of a transistor amplifier.

For highest power gain, what configuration is used?

What is the most important characteristic of a common collector amplifier?

Which of the item below does not describe a common emitter amplifier?

CC configuration is used for impedance matching because its

Which of the following is the other name of the output stage in an amplifier?

When amplifiers are cascaded

Ina common emitter amplifier, the capacitor from emitter to ground is called the

A class A power amplifier uses transistor(s).

What is the maximum collector efficiency of a resistance loaded class A power amplifier?

Consider a zener diode with a slope resistance of 10 Ω in series with a 90 Ω resistor fed from a dc supply containing a ripple voltage of 20mV peak-to-peak. Compute for the ripple voltage in load

The of a common collector configuration is unity

Transmit time is the time taken by the electrons on holes to pass from

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