Electrical 1
A battery is a good example of this type of current.
What is Direct Current or DC.
A material that does not conduct electricity.
What is an insulator.
This device opens and closes a circuit.
What is a switch.
The two most basic types of circuits.
What is series and parallel.
Why is electrical wiring usually are covered with a layer of plastic?
What is to make it safe.
A box electricians use that contains wires to be joined.
What is a junction box.
The equation of ohms law.
What is E = I x R
E=Voltage
I=Current
R=Resistance
This is the force that drives current.
What is voltage.
How do fuses prevent circuit damage.
What is by stopping electrical flow.
This must be done in order to change wiring in a home.
What is shut the power off.
Typically this color is the HOT wire.
What is the black wire.
Pull on the _____ not the cord.
What is plug.
The positive charged partical of an atom.
What is a proton.
Does the circuit need to be open or closed for electrons to flow?
What is closed?
The most common voltage in a home electrical outlet is?
What is 110 volts.
A material such as copper or aluminum that allows electricity to flow through it.
What is a conductor.
You would use this to test electrical resistance.
What is an ohm meter.
Like charges will do what to each other.
What is repel.
The circuit is open when the switch is in this position.
What is the "off" position?
The safest ladder to use around electricity is aluminum, wood, or fiberglass?
What is fiberglass.
The unit that current is measured in.
What is the amp.
These are the particles that move from atom to atom to make electric current.
What are electrons.
This is the smallest particle of matter.
What is the atom.
The circuit is closed when the switch is in this position.
What is the "on" position?
The earth, water, concrete and the human body are all conductors of electricity. true or false
What is true.
The flow of electrons.
What is electricity.
How many watts equal a kilowatt.
What is 1000.
The most commonly used conductor.
What is copper.
When using a battery as the power source, what side do the electrons come from?
What is the negative terminal.
The most dangerous place to use electrical equipment is?
Near water.