Understanding Parallel Circuits

Understanding Parallel Circuits

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key visual indicator that components are in parallel in a circuit?

They are connected to a single node.

They appear parallel to each other.

They are connected in a loop.

They are connected in a straight line.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT part of the 'big three' calculations in parallel circuits?

Total current

Equivalent resistance

Total voltage

Total power

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the equivalent resistance in a parallel circuit?

Add all resistances together.

Use the reciprocal formula.

Subtract the smallest resistance from the largest.

Multiply all resistances.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total current in a parallel circuit if the total voltage is 20V and the equivalent resistance is 3.41 Ohms?

5.87 Amps

6.87 Amps

4.87 Amps

7.87 Amps

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a parallel circuit, what is the voltage drop across each resistor?

It is half of the total voltage.

It varies depending on the resistor.

It is equal to the total voltage.

It is double the total voltage.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do all resistors in a parallel circuit receive the full voltage from the battery?

Because they are connected in series.

Because there are no elements between them and the battery.

Because they are connected to a single node.

Because the battery has infinite power.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the current at a node in a parallel circuit?

It reverses direction.

It doubles in magnitude.

It splits into different paths.

It stops flowing.

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