Units
Measuring Devices
Imperial Units
Electricity
Random
100

The word "decimal" refers to the number...

10

100

In the following 7 seconds, name at least 3 measuring devices used in the field of electrical engineering.

E.g. distortion meter, wattmeter, ammeter, ohmmeter, galvanometer, voltmeter.

100

In the following 10 seconds, name at least 5 imperial system units.

E.g. inch, yard, foot, mile, pound, gallon, ounce, elbow...

100

A law stating that electric current is proportional to voltage and inversely proportional to resistance is called...

Ohm's law.

100

What is your teacher's full name? Where does she sit?

Mária Rafajdusová, AC 108

200

What does the abbreviation SI stand for?

Système International, of course.

200

An instrument used for measuring electric potential difference between two points in an electric circuit is called...

Voltmeter

200
In the following 10 seconds, name at least 5 countries that still employ imperial system of units.

E.g. Great Britain, Liberia, Myanmar, or any state in the USA.

200

The opposition offered by a body or substance to the passage through it of a steady electric current is called...

Resistance

200

How many chickens does your teacher own?

Three

300

Unit "Newton" is used when measuring...

Force

300

An electrical instrument that measures electrical resistance is called...

Ohmmeter

300

State both meanings for the word "pound". Explain.

British pound = currency (libra)

American pound = unit of weight

300

List the two types of voltmeters and explain their differences.

analogue voltmeter = lower accuracy, used to measure high voltages

digital voltmeter = higher accuracy, used to measure very small volatges

300

There are three movies that won 11 Oscars. List at least one.

Ben Hur, Titanic, The Return of the King

400

List the symbols used for current, voltage, and resistance, respectively.

Current = I, Voltage = E or V, Resistance = R

400

What is a galvanometer? Provide a definition.

An instrument for detecting or measuring a small electric current by movements of a magnetic needle or of a coil in a magnetic field.

400

How much is a Baker's dozen? Give the story behind this unit.

13.

12 rolls to make a dozen, 1 more to prevent stealing and cheating.

400

Explain the term "inductive reactance".

The property of an inductive coil that resists the change in alternating current through it and is similar to the opposition to direct current in a resistance.

400

Who is the unofficial main character of The Lord of the Rings?

Samwise Gamgee

500

List the units and their abbreviations for current, voltage and resistance, respectively.

Ampere (A), Volt (V), Ohm (Ω).

500

What is a distortion meter? Provide a definition.

A type of electronic test equipment used to determine specific frequencies that cause distortion in electronic devices.

500

What is the unit used to measure the movements of your computer mouse?

a mickey

500

Explain how to operate a multimeter. List its individual parts.

Yeah, I guess so.

500

List all members of the Fellowship of the Ring. You have 30 seconds.

Gandalf, Aragorn, Legolas, Boromir, Gimli, Sam, Frodo, Pippin, Merry.

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