That's Phenomenal
The ability to do work because of a separation of charges
What is electrical potential?
The study of electric charges in motion
What is electrodynamics?
The study of stationary electrical charges
What is electrostatics?
Type of current that flows in only one direction
What is direct current?
Impedes the flow of electricity
What is resistance?
The flow of electrons in a conductor
What is current?
Electrical charges are measured in this SI unit
What is coulomb?
A principle of electrostatics: Like charges _______ and unlike charges _______ (2 part answer)
What is repel and attract?
Type of current that changes direction in cycles as the electrical potential of the source changes
What is alternating current?
The electrical resistance equal to the resistance between two points along a conductor that produces a current of 1 ampere when a potential difference of 1 volt is applied
What is an ohm?
The property of an element in a circuit that impedes the flow of electricity
What is resistance?
The three ways an object may be electrified
What is by friction, contact, and induction?
Principle of electrostatics states that the concentration of charges on a curved surface of a conductor is greatest here
What is where the curvature is the greatest?
Electrons frow from this terminal to this terminal in direct current
What is from negative to positive?
The potential difference accross the total circuit is equal to the current multiplied by the resitance
What is Ohm's Law?
The units of measure for electric potential, current and resistance
What are the volt, ampere, and ohm?
Must exist for an electric current to move
What is electrical potential?
This law states the electrostatic force between two charges is proportional to the product of their quantities and inversely proportional to the square of the distance between them
The current flows from this terminal to this terminal in direct current
What is from positive to negative?
State the formula for Ohm's Law
What is V=IR?
Equal to the amount of work in joules that can be done per unit of charge
What is a volt?
(volt = joules/coulombs)
One coulomb is equal to the electrical charge of this number of electrons
What is 6.25 x 10^18?
Only this type of electric charge resides at this location on conductors (2 part answer)
What are negative (electrons) and on the surface?
Electric charges reside only on the external surface of conductors and only negative charges (electrons) are free to move in solid conductors
The frequency that electricity flows into homes in the US
What is 60 Hz?
(60 cycles per second)
The amount of resistance of a particular conductor depends on these four things
What is the material, length, cross-sectional area, and temperature?