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All main topics / Electrical Engineering / Electronics

IAT267 - Week 1 - Lab (5 Cards)

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What is "charge"?
-the amount of electrons (like the number of molecules of water)
-represented by "Q"
- measured in coulombs
- 1 C = 6.24*10^8 electrons
Tags: definition
Source: week 1 lab slides, page 7
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What is "current"?
a measure of the magnitude of the flow of electrons in a circuit. It is measured in Amperes, or Amps.

Water analogy:
current would be how much water (or electricity) is flowing past a certain point. The higher the amperage, the more water (or electricity) is flowing.
Tags: definition
Source: week 1 lab slides, pg 7
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What is "voltage"?
current would be how much water (or electricity) is flowing past a certain point. The higher the amperage, the more water (or electricity) is flowing.


Water analogy: voltage would be pressure.

Adds energy to the current.
Tags: definition
Source: week 1 lab slides, page 8
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What is "resistance"?
-a measure of a material's ability to oppose the flow of electricity.

e.g. a sponge in a pipe. Limits current flowing through.
Tags: definition
Source: week 1 lab slides, pg 9
Flashcard set info:
Author: Allison
Main topic: Electrical Engineering
Topic: Electronics
School / Univ.: sfu
Published: 04.02.2010
 
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