Coulomb's Law
electricity magnetism · electrostatics
Gives the magnitude of electrostatic force between two point charges.
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Electric Field Definition
electricity magnetism · electrostatics
Defines electric field from force on a positive test charge.
Electric Potential Difference
electricity magnetism · electrostatics
Relates electric potential difference to potential-energy change per charge.
Capacitance
electricity magnetism · electrostatics
Relates stored charge to potential difference.
Parallel-Plate Capacitance
electricity magnetism · electrostatics
Gives capacitance for an ideal parallel-plate capacitor with dielectric.
Capacitor Energy
electricity magnetism · electrostatics
Gives energy stored in a capacitor.
Electric Current
electricity magnetism · current
Relates charge transferred over an interval to average current.
Ohm's Law
electricity magnetism · current
Relates voltage, current, and resistance for an ohmic component.
Resistance of a Uniform Conductor
electricity magnetism · current
Relates resistance to resistivity, length, and cross-sectional area.
Electric Power
electricity magnetism · current
Gives electrical power from voltage and current.
Resistors in Series
electricity magnetism · dc circuits
Gives equivalent resistance for series-connected resistors.
Resistors in Parallel
electricity magnetism · dc circuits
Gives equivalent resistance for parallel-connected resistors.
Magnetic Force on a Charge
electricity magnetism · magnetism
Gives magnetic-force magnitude on a moving charge.
Magnetic Force on a Current-Carrying Wire
electricity magnetism · magnetism
Gives magnetic-force magnitude on a straight wire segment.
Ideal Solenoid Field
electricity magnetism · magnetism
Gives magnetic field inside a long ideal solenoid.
Magnetic Flux
electricity magnetism · induction
Gives magnetic flux through a flat surface in a uniform field.
Faraday's Law of Induction
electricity magnetism · induction
Relates changing magnetic flux to induced electromotive force.
Motional EMF
electricity magnetism · induction
Gives induced EMF for a conductor moving perpendicular to a magnetic field.
Inductor EMF
electricity magnetism · induction
Relates a current’s rate of change to induced EMF in an inductor.
Capacitive Reactance
electricity magnetism · ac circuits
Gives opposition to alternating current from an ideal capacitor.
Inductive Reactance
electricity magnetism · ac circuits
Gives opposition to alternating current from an ideal inductor.
Series RLC Impedance Magnitude
electricity magnetism · ac circuits
Gives impedance magnitude for a series RLC circuit.