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प्रश्न
An a.c. generator changes the ______energy to ______ energy.
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उत्तर
An a.c. generator changes the mechanical energy to electrical energy.
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संबंधित प्रश्न
Name some sources of direct current.
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each______.
What type of generator is used at Power Stations?
What is the major difference between the simple alternator and most practical alternators?
Explain the principle of an electric generator.
Name and state the principle of a simple a.c. generator. What is its use?
In an a.c. generator the speed at which the coil rotates is doubled. How would this affect
- the frequency of output voltage,
- the maximum output voltage is doubled.
A flat coil of wire rotates at a constant speed about an axis perpendicular to a uniform magnetic field. Draw a graph to show how the induced e.m.f. varies relative to the positions of the coil during its one complete rotation. At what position of the coil, the e.m.f. has the maximum value?
State change that you would make to convert an A.C. generator into a D.C. generator. Illustrate the change by a diagram.
Draw a neat diagram of an AC generator and explain its working.
