Electrical Engineering Everything

Front

In what year was the term electricity first coined?

Back

1600

Front

The law stating that the direct current flowing in a conductor is directly proportional to the potential difference between its ends is:

Back

Ohm's Law

Front

When was the first successful American electric vehicle built?

Back

1891

Front

Who is credited with discovering electromagnetic induction?

Back

Michael Faraday

Front

What year was IEEE formed?

Back

1963

Front

This is a type of display that uses tiny polarized crystals that align when current is passed through them. Used in conjunction with a polarized lens they darken when energized. They are very popular in watches, calculators, and laptops.

Back

LCD

Front

This is a special type of diode that lights up when a small voltage is applied. They are usually used as indicators or in numerical or alphanumerical displays.

Back

LED

Front

This consists of an electromagnet, which is used to open or close a contact(s). It is used in switching that requires isolation or high power.

Back

Relay

Front

This can consist of a simple wire wound into a helix. It develops a magnetic field when current passes through it. It is also used in tuning circuits and filters. This one passes DC and blocks AC.

Back

Inductor

Front

What does AWG mean in the context of a number 12 AWG copper conductor?

Back

American Wire Gauge