physics semester 2 "final"

poooooo

Coulombs Law

Force between charges

Electrical Field

Force per unit charge that would act on a positive test charge q placed at that time.

Magnitude of an electrical field a distance r from point charge Q.

\

Electric Potential (V)

Change in Electric Potential

Potential Difference between two points

Electric Current

I, measured in Amperes (C/s)

Battery

Turns chemical energy into electrical energy

Resistance

R, measured in Ohms, V/I

Power

I\*V, for resistors, V^2/R

Watt

Measurement for power, J/s

KWH

3\.6 x 10^6 J

AC

Alternating current, current reverses direction at a certain frequency.

DC

Steady current in one direction.

Resistors in series?

Sum of each resistor (R1 + R2 + R3 …)

Resistors in parallel?

1/r1+ 1/r2 + 1/r3…

who is the best

will

induction

transferring charge w/out contact

conduction

transferring charge w/contact

what is “k”

\

what is “e”

electron charge