Shared Flashcard Set

Details

Audio Electronics I Notes
Casey Anderson
21
Engineering
Undergraduate 2
08/07/2012

Additional Engineering Flashcards

 


 

Cards

Term
What is ohm's law?
Definition
The relationship between current, voltage, and resistance.
Term
What do stripes 1-4 mean?
Definition
Stripes 1, 2 = Digit 1 and 2
Stripe 3 = Multiplier
Stripe 4 = Tolerance
Term
What is a potentiometer and a resistor on a schematic?
Definition
A potentiometer is squiggly with an arrow.
A resistor is just a squiggly.
Term
Electrochemical reactions produce what?
Definition
Electrochemical reactions produce electrons.
Term
What is current?
Definition
The rate of flow of electrons past a particular point.

Intensity.
Term
What is current measured in?
Definition
Amperes, Amps
Term
What is resistance?
Definition
The property of a substance to resist current flow.
Term
Resistance is ______, voltage is ______, and current received is _________?
Definition
Resistance is a constant, voltage is applied, and current received is a variable.
Term
What does Rn stand for?
Definition
Net Resistance.
Term
Which increases and decreases resistance: series, parallel
Definition
Series increase resistance.
Parallel decrease resistance.
Term
What is the formula to find net resistance?
Definition
1
-------------------
(1/R1 + 1/R2 + 1/R3)
Term
What is 60 cycle hum/ground loop?
Definition
Current in a conductor connecting two points that are supposed to be at the same potential but are different. (instability, introducing interference in one's own chain.)
Term
List six different ways to describe ground.
Definition
- Reference point for voltage
- Outer braid on a cable
- Return path for a circuit
- 3rd pin or an A/C plug
- Dirt we stand on
- Electrical stabilizer
Term
What's the symbol for tip, ring, and sleeve?
Definition
Tip +
Ring -
Sleeve (Lines)
Term
What is capacity coupling?
Definition
Absorbing interference and sending it to a signal chain.
Term
What is a diode?
Definition
Electricity flowing in one direction?
Term
What is a transistor?
Definition
A limiter or amplifier of electricity.
Term
What are resistors used for?
Definition
To control current and voltage in various ways.
Term
How many thingies are in one coulomb?
Definition
6.25*10^18
Term
What is velocity?
Definition
D/T (Distance over time)
Term
What is voltage?
Definition
Potential difference; electrical pushing power.
Supporting users have an ad free experience!