English
Maharashtra State BoardSSC (English Medium) 10th Standard

Explain the Difference: Ac Generator and Dc Generator.

Advertisements
Advertisements

Question

Explain the difference:
AC generator and DC generator.

Distinguish Between
Advertisements

Solution

  AC generator DC generator
i. It is used to produce alternating current. It is used to produce direct current.
ii. It has two simple ring-type commutators. It has a single split-ring commutator.
iii. Frequency of induced current is 50Hz. Frequency of induced current is 0Hz.
iv. Current changes its directions. Current flows in same direction.
shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Effects of electric current - Exercises [Page 60]

APPEARS IN

Balbharati Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
Chapter 4 Effects of electric current
Exercises | Q 4 | Page 60

RELATED QUESTIONS

Name some sources of direct current.


Which sources produce alternating current?


Explain the underlying principle and working of an electric generator by drawing a labelled diagram. What is the function of brushes?


What change should be made in an a.c. generator so that it may become a d.c. generator?


What is the major difference between the simple alternator and most practical alternators? 


Each one of the following changes will increase emf (or voltage) in a simple generator except: 

(a) increasing the number of turns in the armature coil
(b) winding the coil on a soft iron armature
(c) increasing the size of the gap in which the armature turns
(d) increasing the speed of rotation


An electric generator converts:

(a) electrical energy into mechanical energy.
(b) mechanical energy into heat energy.
(c) electrical energy into chemical energy.
(d) mechanical energy into electrical energy. 


Name and state the principle of a simple a.c. generator. What is its use?


Draw a labelled diagram of a simple a.c. generator.


State one advantage of using a.c. over d.c.


Explain the construction and working of the following. Draw a neat diagram and label it.

Electric Generator (AC)


Draw a neat labeled diagram of an A.C. generator 


An a.c. generator changes the ______energy to ______ energy. 


The part of the AC generator that passes the current from the armature coil to the external circuit is ______.


Draw a neat diagram of an AC generator and explain its working.


An AC generator is provided with ______ slip rings that rotate with the coil.


Observe the following diagram and answer the questions.

  1. Explain the construction of the equipment shown in the figure.
  2. How is AC generated?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×