Key Electronics Flashcards Preview

ASVAB > Key Electronics > Flashcards

Flashcards in Key Electronics Deck (11)
Loading flashcards...
1

What are currents measured in?

Amps

2

What is voltage measured in?

Volts

3

What is resistance measured in?

Ohms

4

What is power measured in?

Watts

5

What is energy measured in?

Watt-hours

6

What is ohms law?

Current= voltage over resistance

7

Principle of power

Power (in watts)=voltage x current or p=ei

8

How does a current flow?

From a negative pole to a positive pole.

9

What must exist for electricity to flow?

A closed circuit.

10

What frequencies do electronic devices operate at?

Very high frequencies

11

What are devices that change ac to dc?

Rectifier