Understanding Gridded Ion Thrusters

Understanding Gridded Ion Thrusters

Assessment

Interactive Video

Physics

9th - 10th Grade

Hard

Created by

Jennifer Brown

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of the negatively charged accelerator grid in a gridded ion thruster?

To repel positive ions

To attract positive ions

To neutralize the ion beam

To create electron tornadoes

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are ions created in the discharge chamber of a gridded ion thruster?

By heating Xenon atoms

By firing electrons at Xenon atoms

By using a magnetic field

By compressing Xenon gas

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of creating electron tornadoes in a gridded ion thruster?

To increase the number of ionizing collisions

To focus the ion beam

To increase the speed of ions

To neutralize the ion beam

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do ion optics help in preventing damage to the accelerator grid?

By neutralizing the ions

By slowing down the ions

By focusing ions through the grid

By repelling ions away from the grid

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one major drawback of gridded ion thrusters compared to traditional chemical rockets?

They produce more thrust

They use more propellant

They have a shorter operational lifespan

They produce significantly less thrust