Circuits Equations Flashcards
1
Q
Current
A
2
Q
Resistance
A
3
Q
Ohm’s Law (Voltage Drop)
A
4
Q
Power of Resistor
A
5
Q
What does this symbol in a circuit represent?
A
A resistor
6
Q
Resistors in Series: Total Voltage Drop
A
7
Q
Resistors in Parallel: Total Voltage Drop
A
8
Q
Resistors in Series: Total Resistance
A
9
Q
Resistors in Parallel: Total Resistance
A
10
Q
Capacitance
formula
A
11
Q
Capacitance
units
A
Farad
coulomb / volt
12
Q
What do capacitors do?
A
They store charge (in an electric field)
13
Q
What do batteries do?
A
Store charge (in chemical form)
14
Q
Capacitance (incl. area & distance)
formula
A
15
Q
Capacitance tells us…
A
how good a given capacitor is at storing charge
large capacitance = stores a lot of charge