Understanding Electric Fields Concepts

Understanding Electric Fields Concepts

Assessment

Interactive Video

Physics

11th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers the concept of electric fields, explaining that they exist around charged objects. It describes how the strength of an electric field is represented by the spacing of field lines and depends on the charge's magnitude and distance. The tutorial defines electric field strength as force per unit charge and provides examples of calculating it using different methods, including considering distance and multiple charges. The video concludes with a summary and encourages students to attempt related tasks.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the spacing of electric field lines indicate?

The strength of the electric field

The speed of the charge

The type of charge

The color of the charge

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factors affect the strength of an electric field?

Temperature and pressure

Charge magnitude and distance

Color and size of the charge

Speed and direction of the charge

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is electric field strength defined?

Charge per unit force

Force per unit charge

Force per unit mass

Mass per unit charge

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of electric field strength?

Joules per Coulomb

Newtons per Coulomb

Watts per Coulomb

Volts per Coulomb

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which direction does the electric field point for a positive charge?

Inwards towards the charge

Outwards away from the charge

Perpendicular to the charge

Parallel to the charge

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What constant is used in the formula E = kQ/r^2?

Planck's constant

Boltzmann's constant

Gravitational constant

Coulomb's constant

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the electric field strength change with distance from the charge?

It increases with distance

It decreases with distance

It remains constant

It oscillates with distance

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