Deck 9: Kirchhoff S Laws Thevenin S Norton S and Superposition Theorems

Question 1

To use Kirchhoff's law, start at some point and add the voltage drops around any _____ loop.

A) open
B) closed

Answer 1

B

Question 2

The _______________ theorem is used to find the current flow through any branch of a circuit containing more than one power source.

Answer 2

superposition

Question 3

Circuit networks can be reduced to a single current source and a single parallel resistance. This conversion is done in accordance with _____.

A) Thevenin's theorem
B) Norton's theorem
C) the superposition theorem
D) Kirchhoff's laws

Answer 3

B

Question 4

What law states that the algebraic sum of the voltage sources and voltage drops in a closed circuit must equal zero?

A) Kirchhoff's voltage law
B) Kirchhoff's current law
C) Thevenin's voltage law
D) Norton's current law

Question 5

In a circuit, three wires form a junction. The currents in two of the wires are 5 A and 12 A. The current in the other wire is _____.

A) 60 A
B) 17 A
C) 7 A
D) 7 A or 17 A

Question 6

Write Kirchhoff's two laws dealing with voltage and current relationships in an electrical circuit.

Question 7

The current in any branch of a circuit supplied by a multipower source can be determined by finding the current produced in that particular branch by each of the individual power sources acting alone. This simplification is done in accordance with _____.

A) Thevenin's theorem
B) Norton's theorem
C) the superposition theorem
D) Kirchhoff's laws

Question 8

What law states that the algebraic sum of the currents entering and leaving a point must equal zero?

A) Kirchhoff's voltage law
B) Norton's current law
C) Thevenin's voltage law
D) Kirchhoff's current law

Question 9

Before determining the algebraic sum of voltages using Kirchhoff's voltage law, you must first determine which end of the _______________ element is positive and which is negative.

Question 10

Circuit networks can be simplified down to an equivalent circuit, with a single voltage source and series resistor. This conversion is done in accordance with _____.

A) Thevenin's theorem
B) Norton's theorem
C) the superposition theorem
D) Kirchhoff's laws