Recent Lessons

Show all results for ""

Electric Appliances: Understanding and Usage

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of an electric fan?

To provide light and illuminate the room
To purify the air in the room
To generate heat and warm the room
To blow away air and speed up the evaporation process to cool the human body and room (correct)

What is an electric appliance?

A mechanical device that operates on solar energy
A tool that runs on gas to cool human body and room
A device that runs on electricity to make chores easier (correct)
A product that helps to do a job more difficult

What can electric appliances help with?

Increasing physical exertion and consuming more time
Making daily chores more difficult and time-consuming
Causing inconvenience and slowing down tasks
Running daily chores without much effort and saving time (correct)

Which component is mentioned as part of a ceiling fan?

Capacitor (A) Signup and view all the answers

Where can electric appliances be used?

Indoors or outdoors at our convenience (D) Signup and view all the answers

What is the primary function of the capacitor in an electric fan?

To increase the fan motor torque and allow rapid rotation (C) Signup and view all the answers

What is the main purpose of the stator winding in an electric fan motor?

To convert electric current into a magnetic field (A) Signup and view all the answers

What does the rotor in an electric motor primarily consist of?

Permanent magnet in the shape of half circles (B) Signup and view all the answers

Which component of an electric fan creates the rotating magnetic field?

Stator winding (D) Signup and view all the answers

What does the housing of an electric fan carry on the inside?

Stator, rotor, and drive shaft bearing assembly (B) Signup and view all the answers

Flashcards are hidden until you start studying