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Series Circuits Worksheet

Explore the fundamentals of series circuits, including current, voltage, and resistance in a single-path electrical circuit.

Grade 8 Science PhysicsCircuitsSeries Circuit
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Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / False

Standards

MS-PS4-3

Topics

series circuitelectricityphysicsgrade 8science
6 sections · Free to use · Printable
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Series Circuits Worksheet

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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.

1. In a series circuit, how many paths are there for the current to flow?

a

Two or more

b

Only one

c

Zero

d

It depends on the number of resistors

2. If one bulb in a series circuit goes out, what happens to the other bulbs?

a

They get brighter

b

They stay on

c

They all go out

d

They get dimmer

3. In a series circuit, the total resistance is the   of individual resistances.

4. The current is the   at all points in a series circuit.

5. According to Ohm's Law, voltage equals current multiplied by  .

6. Look at the series circuit diagram below.

Series Circuit Diagram

Explain one advantage and one disadvantage of using a series circuit.

7. A series circuit has three resistors with resistances of 5 Ω, 10 Ω, and 15 Ω. What is the total resistance of the circuit?

8. The voltage is the same across all components in a series circuit.

T

True

F

False

9. Adding more resistors in series decreases the total resistance of the circuit.

T

True

F

False