8-3 Series Circuits

What is the total resistance in a series circuit with three resistors of 2 ohms, 3 ohms, and 5 ohms?

• 10 ohms

• 9 ohms

• 5 ohms

• 15 ohms

In a series circuit, if the voltage across the battery is 12V and the total resistance is 4 ohms, what is the current flowing through the circuit?

• 48 A

• 3 A

• 0.33 A

• 8 A

If one of the bulbs in a series circuit burns out, what happens to the current in the circuit?

• It increases.

• It decreases.

• It remains the same.

• The circuit stops conducting.

How does adding more resistors in a series circuit affect the total resistance?

• It decreases.

• It remains the same.

• It increases.

• It first increases, then decreases.

What happens to the total voltage in a series circuit when more batteries are added?

• It decreases.

• It remains the same.

• It increases.

• It first increases, then decreases.

In a series circuit, if one component fails, what happens to the flow of electricity?

• It continues through other paths

• It stops completely

• It doubles

• It halves

What is the formula for calculating the total resistance in a series circuit?

Solve for the total resistance of the circuit shown

• 50 V

• 1970 ohms

• 705 K ohms

• 20 Amps

The picture shows an electrical circuit. This circuit is a series circuit because:

• It has 3 light bulbs.

• The same current flows through all three light bulbs.

• It uses a single battery.

• The electrical current is divided between the three light bulbs.

A series circuit has ____ path(s) that the electric current can take.

• One

• Two

• Three

• Four