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Series and Parallel Resistors Worksheet

Explore the fundamental concepts of series and parallel resistor circuits, including calculating equivalent resistance, current, and voltage.

Grade 11 Science PhysicsSeries and Parallel Resistors
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Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / FalseMatching

Standards

NGSS.HS-PS2-6CCSS.MATH.CONTENT.HSA-CED.A.4

Topics

PhysicsElectricityCircuitsResistorsSeriesParallel
7 sections · Free to use · Printable
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Series and Parallel Resistors

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Read each question carefully and provide thorough answers. Show all your work for calculation problems.

1. In a series circuit, what happens to the total resistance as more resistors are added?

a

It decreases

b

It increases

c

It remains the same

d

It depends on the resistor values

2. Which statement is true for a parallel circuit?

a

Current is the same through each resistor.

b

Voltage is divided among the resistors.

c

The reciprocal of total resistance is the sum of reciprocals of individual resistances.

d

Total resistance is the sum of individual resistances.

3. In a series circuit, if one resistor breaks, the entire circuit  .

4. The formula for calculating equivalent resistance in a parallel circuit is  .

5. A series circuit has three resistors: R1 = 10 Ω, R2 = 20 Ω, and R3 = 30 Ω. If the voltage source is 60 V, calculate the total current flowing through the circuit.

Series Circuit Diagram

6. Two resistors, R1 = 4 Ω and R2 = 6 Ω, are connected in parallel to a 12 V battery. Calculate the equivalent resistance of the circuit.

Parallel Circuit Diagram

7. In a parallel circuit, the voltage across each resistor is the same.

T

True

F

False

8. Adding more resistors in parallel decreases the total current in the circuit.

T

True

F

False

Match the circuit type with its characteristic.

9. Series Circuit

 

a. Total resistance decreases as resistors are added.

10. Parallel Circuit

 

b. Current is uniform throughout the circuit.