English

Label the Four Parts of an Electric Motor - Science and Technology 1

Advertisements
Advertisements

Question

Label the four parts of an electric motor

Solution

shaalaa.com
  Is there an error in this question or solution?
2016-2017 (March)

APPEARS IN

RELATED QUESTIONS

What is the Principle of an Electric motor?


Name any four appliances where electric motor is used.


Explain the construction and working of an electric motor.


Explain the function of the following parts of an electric motor.

Armature 


Explain the function of the following parts of an electric motor.

Split ring


Electric motor works on the magnetic effect of electric current.


A motor converts one form of energy into another. Name the two forms.


Name the device which is used to reverse the direction of current in the coil of a motor?


What is the function of a commutator in an electric motor made ? 


What is the role of the spilt ring in an electric motor?


 State what would happen to the direction of rotation of a motor if:  

 both current and magnetic field were reversed simultaneously. 

 


 State what would happen to the direction of rotation of a motor if: 

 In what ways can a motor be made more powerful? 


What is an electric motor? With the help of a labelled diagram, describe the working of a simple electric motor 

 


What are the special features of commercial electric motors? 


In an electric motor, the direction of current in the coil changes once in each: 
 two rotations
 one rotation
 half rotation
 one-four rotation

 


Tell the odd one out. Give proper explanation.

Loud speaker, Microphone, Electric motor, Magnet.


Name some of the devices in which electric motor are used.


Draw a labelled diagram of an electric motor.


Electric motors are devices that convert electrical energy into mechanical energy.


In which electric motor appliances do we use it?


Observe the figure and write the answers to the questions asked.

  1. The construction shown in the figure is of which device?
  2. Explain the principle on which this device works.
  3. Write any three uses of this device.

Which of the following converts electrical energy into mechanical energy?


State whether true or false. If false, correct the statement.

A generator converts mechanical energy into electrical energy.


State whether true or false. If false, correct the statement.

The speed of rotation of an electric motor can be increased by decreasing the area of the coil.


List the main parts of an electric motor.


An electric motor is a device which transforms ____________.


Direction of rotation of a coil in electric motor is determined by ____________.


In an electric motor, to make the coil rotating continuously in the same direction, the current is reversed in the coil after every half rotation by a device called ____________.


The most suitable material for making permanent magnets is ______.


The moving part of an electric motor is called ______.


Define electric motor.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×