Trivia Questions With Answers!

Electronics Trivia Quiz Questions with Answers

Free electronic and electricity trivia questions with answers


Trivia Quiz Questions with Answers About Electronics

What does AM stand for as in AM radio?
A: Amplitude Modulation.

In radio electronics, what does FM stand for?
A: Frequency Modulation.

In electronics, what does PCM stand for?
A: Pulse Code Modulation.

Electricity is capable of producing what in the body?
A: Deep and severe burns.

When muscles involuntarily contract due to the passage of external electric current through the body it is called what?
A: Tetanus.

AC is more likely to cause a victim's heart to do what than DC electricity?
A: Fibrillate.


How much work can be done in a given amount of time is called what?
A: Power.

In electronics, power is a function of both voltage and what?
A: Current.

One horsepower is equal to how many watts?
A: 745.7

Electric power is typically measured in "watts," and it can be calculated by what formula?
A: P = IE.

Does a capacitor pass more or less current as the frequency of the signal increases?
A: It passes more current as the frequency increases.

Without negative feedback, an op-amp can act as a what?
A: Comparator.

Op Amps have basically three amplifiers or stages, the input differential stage, the gain stage, and the what?
A: Output stage.


An ideal op amp has how much gain?
A: Infinite.

What is the underlying operating principle for all modern day op amps?
A: Negative feedback.

The first real-time computer was the what?
A: Analog computer!

The heart of the analog computer was a device called a what?
A: Operational amplifier.

Integrated circuits, (ICs) were developed in the 50s and 60s, and in the middle 60s Fairchild introduced the µA709,the first commercially successful IC op amp, designed by who?
A: Robert J. Widler

According to Ohms Law, when the current flowing through any portion of a circuit is known, the voltage dropped across that portion of the circuit can be determined by multiplying the current times the what?
A: Resistance.

A laser can be operated in either continuous mode or in what mode, depending on whether the power output is continuous or pulses of light?
A: Pulsed mode.


Kirchoff’s voltage law states that the sum of the voltage drops in a series circuit is equal to the sum of what?
A: The voltage sources.

Kirchoff’s current law states: the sum of the currents entering a junction equals the sum of the currents what?
A: Leaving the junction.

Video signals contain high frequencies and so what is typically used to transmit and receive video signals?
A: Coaxial cable.

In digital electronics, what does TTL stand for?
A: Transistor Transistor Logic.

In the world of digital electronics, what does RTL stand for?
A: Resistor Transistor Logic.

What does DTL stand for?
A: Diode Transistor Logic.

TTL was invented in 1961 by who at TRW?
A: James L. Buie.


The first commercial integrated-circuit TTL devices were manufactured by who in 1963?
A: Sylvania.

In what year did Texas Instruments introduce the 5400 series of ICs, with military temperature range?
A: In 1964.

In what year did Texas Instruments introduce the 7400 series?
A: In 1966.

Standard TTL circuits operate with a power supply voltage of how much?
A: 5 Volts.

Which logic families devices consume substantially more power than equivalent CMOS devices at rest?

TTL chips with their "totem-pole" output structure often have a momentary overlap when both the upper and lower transistors are conducting which results in a substantial what?
A: Current spike.

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