Q2 of 7 Page 70

Using the information given in the brackets, complete the flow chart. (rotor, coil wound over the soft iron core, electromagnet, stator)


A power generator consists of two parts:


1) Field magnet


2) Armature


Field Magnet: It is a static part of a generator which is made up of an electromagnet or a permanent magnet used to produce magnetic field that interacts with the armature of the generator.


Armature: Armature is the rotating part of an electrical generator which is wound by many coils used to carry current(produced due to interactions with the magnetic field of the field magnet) and allows the flow of induced emf.


More from this chapter

All 7 →
1

The figure of a star connection is shown below. Observe the figure and correct mistakes, if any, and answer the questions:


(a) Each end of the secondary coils coming out of a distribution transformer is connected to a common point. What is the name given to the line that starts from here?


(b) Which pairs of lines are used in household electrical wiring? What will be the voltage between them?


(c) What is the voltage between two phase lines?

 1

Prepare and exhibit posters showing the need for conserving electrical energy.

 2

Exhibit a model of electrical distribution network.

 3

Draw an electrical circuit containing the electrical appliances required for your class room.