Electric Fields and Test Charges

Electric Fields and Test Charges

Assessment

Interactive Video

Physics, Science

7th - 10th Grade

Practice Problem

Hard

Created by

Emma Peterson

FREE Resource

The video tutorial explains the concept of a positive charge represented by a red sphere and its surrounding electric field lines depicted in blue. It introduces a test charge, shown as a black point, and discusses the electric field vector acting on it due to the positive charge. The tutorial further demonstrates the movement of the test charge around the positive charge, highlighting how the electric field changes as the test charge is moved closer or further away.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What color represents the positive charge in the video?

Blue

Red

Yellow

Green

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do the blue lines around the red sphere represent?

Electric field lines

Sound waves

Gravitational field lines

Magnetic field lines

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the test charge depicted in the video?

As a blue line

As a black dot

As a red sphere

As a green arrow

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of the positive charge on the test charge?

It creates a magnetic field

It produces an electric field vector

It generates a gravitational pull

It emits light

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the test charge as it moves around the positive charge?

It disappears

It changes distance

It remains stationary

It changes color

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