Physics 2 Exam 2 formulas

Electric Flux

Gauss’ Law

Gauss’ Law near a point charge

Gauss Law to find E in or near a ball of charge, where r > a

Gauss Law to find E in or near a ball of charge, where a > r

Gauss law to find E in or near a shell charge where r > a

Gauss law to find E in or near a shell charge where a > r

Gauss law to find E near a long line of charge

Electrical potential for a uniform field

Electrical potential energy for a uniform field

Force due to electrical field and charge

Capacitor to establish a uniform electric field

Electrical porential for a non uniform field

Electrical potential energy for a non uniform field

Using a point charge to establish potential in a non uniform field

Using a point charge to establish potential energy in a non uniform field

Absolute Electric Potential at a point near a single charge

Absolute Electric Potential Energy at a point near a single charge

Electrical potential of a group of charges

Electrical potential energy for a group of charges

Total electrical potential energy for a group of charges

Electrical potential due to a shell of charge

Electrical potential from a continuous charge distribution

Potential For a point P on the axis of a uniformly charged

ring. The ring has a total charge of Q coulombs

Capacitance

Capacitance of a parallel plate capacitor

Parallel capacitors

Series capacitors

Energy stored in a capacitor when given charge and potential

Energy stored in a capacitor when given capacitance and potential

Current

Charge carrier drift velocity

Current density

Ohms law

Resistance

Conductivity

The inverse of resistance

Resistivity and temperature

Equation same for resistance

Power when given current and resistance

Power when given current and potential

Power when given potential and resistance

Resistance in a series

Resistance in a parallel

Junction rule

Loop rule

Charging an RC circuit

Discharging an RC circuit