4.3 Electrical Circuits

Question 1

State Kirchhoff’s second law

Answer 1

Sum of Electromotive force is equal to sum of potential difference in a closed circuit

Question 2

State the potential dividers equation from Kirchhoff’s second law

Answer 2

v1/v2 = r1/r2

Question 3

Write the second main equation for potential dividers.

Answer 3

V out = r2/r1+r2 * V in