Dynamics Flashcards
Measured in coulombs
Charge
1e- is equals to
1.602×10-¹⁹C
Time rate of change of charge
Measured in amperes
Current
Direction of direct current
Unidirectional
Alternating current direction
Periodically
Potential difference
Voltage
Energy required to move a unit charge through an element
Voltage
Rate per unit time at which ele tricak energy is transfered by an electrical circuit
Power
Form of energt restulting from the flow if the electric charge
Energy
Unit of energy
Joules or watt-second
Current is directly proportional to voltage applied, and inversely proportional to the resistance
Ohm’s law
Ability to resist the flow of an electric current
Resistance
Zero voltage, zero resistance
Short
Zero current, infinite resistance
Open
Current flows in a circuit when a switch is ____
Closed
Advantage of a 6 band resistor
Temperature coefficient
A single element in a circuit
Branch
Voltage source or resistor
Node
Point of connection between two or more branches
Node
Any closed path in a circuit
Loop
Resistance in series
All additions
R, I, P, R
Voltage division formula
Vx = VT Rx/Rt
Current division formula
Ix = IT ×Rt/Rx
Voltage in a parallel circuit are always ____
Equal