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quiz on magnetic racer

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

15

0%

How does a magnetic racer move?

a) By being pushed manually

b) By using wind power

c) By interacting with magnetic fields

d) By using battery power

Correct! Wrong!

What component is essential for the movement of a magnetic racer?

a) Electric motor

b) Magnetic fields

c) Solar panel

d) Gas engine

Correct! Wrong!

Which type of magnet is most commonly used in magnetic racers?

a) Permanent magnets

b) Electromagnets

c) Superconducting magnets

d) Artificial magnets

Correct! Wrong!

Which of the following is a key advantage of magnetic racers?

a) High speed due to frictionless motion

b) Low manufacturing cost

c) Energy-efficient due to solar power

d) Requires no maintenance

Correct! Wrong!

What is the primary principle behind a magnetic racer?

a) Gravity

b) Friction

c) Magnetism

d) Aerodynamics

Correct! Wrong!

What happens when the magnetic forces of attraction and repulsion are balanced in a magnetic racer?

a) The racer stops moving

b) The racer achieves constant speed

c) The racer accelerates

d) The racer bounces off the track

Correct! Wrong!

Which of these materials is commonly used to construct the track for a magnetic racer?

a) Rubber

b) Iron or steel

c) Plastic

d) Glass

Correct! Wrong!

How can the speed of a magnetic racer be increased?

a) By using stronger magnets

b) By reducing the size of the racer

c) By increasing the track length

d) By adding wheels

Correct! Wrong!

quiz on magnetic racer

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