AC
In AC circuits, the HOT wire is what color?
Black
In DC circuits, what color usually indicates POSITIVE voltage?
Red
Ohm's Law formula is?
A = V/R
V = I x R
R = V/I
This opposes electron flow through a circuit.
resistor
A tool used to cut and remove insulation from the end of electrical wire.
Wire strippers
In AC circuits, the NEUTRAL wire is what color?
White
DC stands for ?
Direct Current
The electrical pressure that causes electrons to move is commonly measured in what units?
Volts
A device that stores a charge and measured in farads.
Capacitors
A tool used to tighten and loosen screws.
Screwdriver
What wire usually is connected to brass colored screws?
HOT or Power
In DC circuits, what color typically is used for negative side of the circuits?
Black
Electric current is measured in units called?
Amps or Amperes
These components allow for the control of current flow in a circuit by making and breaking the circuit.
Switches
A tool used to measure electrical values in circuits and check components.
Digital Multi-Meter
AC stands for ?
Alternating Current
These common DC lights are polarity sensitive and only allow current to flow one-way through them.
LED's
500milliAmps is ____ Amps.
.5 Amps
NPN and PNP are types of ?
Transistors
Commonly used to make hooks on AC wires.
Needle Nose Pliers
In AC circuits, the ground wire is what color?
Green or Bare
The third band on a four band resistor is used for a ______?
Multiplier
In series circuits, total circuit resistance is calculated by?
Adding resistor values.
R1+R2+R3 etc.
A type of variable resistor with three terminals.
Potentiometer
A tool for melting a blend of conductive metal onto wires and component leads.
Soldering Iron