Kelvin Water Dropper Concepts

Kelvin Water Dropper Concepts

Assessment

Interactive Video

Created by

Lucas Foster

Physics, Science

9th - 12th Grade

Hard

The video tutorial explains the Kelvin water dropper, also known as Lord Kelvin's thunderstorm. It describes the device's components, working principle, and operation. The tutorial highlights the electrostatic induction process, voltage levels, and safety considerations. It also provides construction details and explains the random charge imbalance that occurs during operation.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the electroscope in the Kelvin Water Dropper?

To measure the temperature of the water

To control the flow of water

To generate electricity

To indicate the presence of a spark

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the Kelvin Water Dropper accumulate charge?

By using a battery

Through the flow of water into buckets

Through solar panels

By heating the water

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the spark gap in the Kelvin Water Dropper?

To store electricity

To measure water flow

To create a discharge

To heat the water

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the water stream when the device discharges?

It flows straight again

It changes color

It stops flowing

It evaporates

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How often does the device typically produce sparks?

Every 10 to 15 seconds

Every 5 seconds

Every minute

Every 30 seconds

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the estimated voltage of the sparks produced by the device?

20,000 volts

10,000 volts

5,000 volts

1,000 volts

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the 4 mm spark gap adjustment?

It changes the temperature of the water

It affects the color of the sparks

It controls the voltage of the sparks

It determines the water flow rate

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why must the buckets in the Kelvin Water Dropper be well insulated?

To prevent water from leaking

To keep the water cold

To enhance the spark intensity

To avoid charge leakage

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What material can the tube at the top of the device be made of?

Metal or plastic

Rubber

Glass

Wood

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes the initial charge imbalance in the Kelvin Water Dropper?

A random tiny imbalance

The temperature of the water

A deliberate adjustment

The speed of water flow

Explore all questions with a free account

or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?