Q: potential difference
A: Voltage entering a resistance vs voltage leaving the resistance

Q: series
A: A circuit requiring all current to pass thru each resistance

Q: It drops across a resistor
A: voltage

Q: v = ir
A: Ohm's law equation

Q: p = iv
A: The equation to find power loss across a resistor

Q: internal resistance
A: The opposition to current flow found in every source

Q: Kirchhoff
A: His laws allow us to solve circuit problems

Q: series / parallel
A: A combination circuit

Q: The mathematical format for adding resistances in a parallel circuit
A: reciprocals

Q: source
A: It put energy into the circuit

Q: A portion of a parallel circuit
A: branch

Q: ampere
A: A current unit

Q: ohms law
A: This law allows us tofind voltage drops across resistors

Q: resistor
A: Where power is extracted from a circuit

Q: current
A: The flow of electron thru a conductor

Q: A circuit which contains branching
A: parallel

Q: As resistances are added to a parallel the total resistance of that circuit goes ______
A: down

Q: watt
A: A power unit

Q: Watt
A: joule per second

Q: junction
A: The point where a circuit branch begins

Q: terminal voltage
A: The potential at the connection points on a battery

Q: emf
A: The voltage of a battery before internal losses

Q: loop
A: A complete path for electron flow

Q: Kirchhoff's Second Law says "all current ____ a junction equals all current leaving"
A: entering

Q: The rate of energy gain or loss
A: power