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Electric Motors Quiz

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Questions and Answers

What type of energy does an electric motor convert?

Mechanical energy

Chemical energy

Thermal energy

Electrical energy (correct)

What are the two main types of electric motors?

Alternating current and direct current

AC and DC (correct)

Hydraulic and pneumatic

Steam and combustion

Why are DC motors becoming more popular?

They are more reliable

They are more efficient (correct)

They are cheaper

They are easier to maintain

Study Notes

Electric motors convert electrical energy into mechanical energy by producing rotational force.
The two main types of electric motors are AC and DC motors.
AC motors use alternating current to produce rotational force, while DC motors use direct current.
AC motors are more common, but DC motors are becoming more popular due to their efficiency and lower cost.
Regular servicing and maintenance of electric motors is important to prevent damage to endpoint equipment.

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Description

Test your knowledge about electric motors and their main types, AC and DC motors. Learn about how they convert electrical energy into mechanical energy and the importance of regular servicing and maintenance.