Advertisements
Advertisements
Question
What determines the frequency of a.c. produced in a generator?
Advertisements
Solution
The number of coil rotations, or alternating e.m.f., determines the frequency of the a.c. produced in the generator. Induced e.m.f. (e = e0 sin 2π nt) where n is the number of rotation made by coil per second and the current i = i0 sin 2π nt.
APPEARS IN
RELATED QUESTIONS
State the principle of an electric generator.
The device used for producing electric current is called a ______.
What is the major difference between the simple alternator and most practical alternators?
Explain the principle of an electric generator.
Draw the labelled diagram of an A.C. generator. With the help of this diagram, explain the construction and working of an A.C. generator.
What energy conversion does take place in a generator when it is in use?
Observe the figure and answer the following questions.
a) Identify the machine shown in figure.
b) Write a use of this machine.
c) How transformation of energy takes place in this machine.

The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
Draw and label the diagram of an AC generator.
To convert an AC generator into DC generator ____________.
