Kirchhoff's Laws Flashcards
1
Q
Kirchhoff’s first law definition
A
the sum of the currents entering any point in a circuit is equal to the sum of the currents leaving that same point
2
Q
Conservation of charge meaning
A
electric charge can neither be created nor destroyed
3
Q
Kirchhoff’s first law equation
A
∑Iᵢₙ = ∑Iₒᵤₜ
4
Q
Kirchhoff’s second law definition
A
the sum of the emfs around any loop in a circuit is equal to the sum of the p.d.s around the loop
5
Q
Kirchhoff’s second law equation
A
∑E = ∑V
6
Q
Total resistance of 3 or more resistors in series
A
Rₜ = R₁ + R₂ + R₃ + …
7
Q
Total resistance of 3 or more resistors in parallel
A
1/Rₜ = 1/R₁ + 1/R₂ + 1/R₃ + …
