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प्रश्न
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.
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उत्तर
a) The instrument shown in figure is generator.
b) This machine is used to generate electricity.
c) The generator generates electricity through following transformations :
Mechanical Energy → Electrical Energy
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संबंधित प्रश्न
Name the phenomenon which is made use of in an electric generator.
What is the function of brushes in an electric generator?
What is the major difference between the simple alternator and most practical alternators?
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.
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.
The current induced in a closed circuit only if there is ______.
Explain the difference:
AC generator and DC generator.
Explain the construction and working of an electric generator (AC) with the help of a neat diagram.
Draw and label the diagram of an AC generator.
A coil of insulated copper wire is connected to a galvanometer forming a loop and a magnet is:
A: Held stationary
B: Moved away along its axis
C: Moved towards along its axis
D: There will be an induced current in
What causes a continuously alternating EMF in an a.c. generator?
Which labels identify the two slip rings?
How does the armature coil move during the stated working of an a.c. generator?
What does the changing flux induce by Faraday's Law?
What is the magnetic flux through one turn at time \[t\]?
How is angular speed related to frequency of rotation \[n\]?
What is the magnetic field in the stationary-bicycle generator?
What voltage range is given as an example for generators in real power stations?
