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Equivalent Resistance and Circuit Simplification

Equivalent Resistance and Circuit Simplification

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains how to simplify a complex circuit by finding the equivalent resistance. It starts with combining resistors in parallel and series, drawing new circuit diagrams at each step. The process involves combining 2 and 4 Ohm resistors, then 5 and 6 Ohm resistors, followed by 1.33 and 2.73 Ohm resistors in series. Finally, the circuit is simplified to find the total equivalent resistance. The next podcast will cover finding current and voltage for each resistor.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying a complex circuit to find the equivalent resistance?

Combine all resistors in series

Combine resistors in parallel

Remove all resistors

Add a new resistor

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are the 5 Ohm and 6 Ohm resistors considered to be in parallel?

They have the same resistance value

They are connected end-to-end

They share the same voltage across them

They are on the same branch

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equivalent resistance when combining a 5 Ohm and a 6 Ohm resistor in parallel?

2.73 Ohms

11 Ohms

5.5 Ohms

1.33 Ohms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next step after combining resistors in parallel?

Combine resistors in series

Add a new resistor

Remove a resistor

Measure the current

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equivalent resistance of a 1.33 Ohm and a 2.73 Ohm resistor in series?

4.06 Ohms

1.73 Ohms

2.73 Ohms

3.5 Ohms

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine if two resistors are in series?

They are connected end-to-end with no branching

They have the same resistance value

They share the same voltage

They are on the same branch

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final equivalent resistance of the entire circuit?

4.06 Ohms

1.33 Ohms

3 Ohms

2.73 Ohms

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