Electricity Generation and Corona Motors

Electricity Generation and Corona Motors

Assessment

Interactive Video

Physics, Science, Other

9th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video explains how atmospheric electricity can be harnessed to generate power, using a hexacopter to lift a wire into the air and a coronamotor on the ground. The explanation is based on Richard Feynman's lectures, detailing how voltage increases with altitude and how equipotential lines illustrate this. The video describes how a wire can be used to capture this electricity, and how a corona motor operates using the weak electric current generated. The video concludes with a call to action to explore more related content.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What device was used to lift the wire into the air to generate power?

Drone

Helicopter

Hexacopter

Balloon

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the video, how much does the voltage increase per meter as you go up in the air?

50 volts

100 volts

150 volts

200 volts

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why don't humans get shocked by the atmospheric voltage difference between their head and the ground?

The voltage is only present during storms

Humans are good conductors and part of the ground

Humans are insulated

The voltage is too low

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the current density of the downward electrical current in the atmosphere?

10 picoamps

10 milliamps

10 microamps

10 nanoamps

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what height did the experiment achieve good results for generating electricity?

50 meters

120 meters

200 meters

300 meters

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of sharp points at the top of the wire in the experiment?

To stabilize the wire

To concentrate charges and enhance the electric field

To reduce air resistance

To increase the wire's length

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of motor is powered by the weak electric current generated in the experiment?

Hydraulic motor

Combustion motor

Electromagnetic motor

Electrostatic motor

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?