10 - Electrical Circuits

Question 1

Kirchhoff’s second law

Answer 1

The sum of potential differences across a closed circuit must be equal to 0.

The electromotive forced acting upon the nodes in a closed loop must be equal to the sum of potential differences found across the closed-loop.

Question 2

Conservation of energy

Answer 2

Energy cannot be created or destroyed

Question 3

Total resistance of two or more resistors in series

Answer 3

R = R1 + R2 +…

Question 4

Total resistance of two or more resistors in parallel

Answer 4

1/R = 1/R1 + 1/R2 +…