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प्रश्न
Draw a labelled diagram of a simple a.c. generator.
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उत्तर
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संबंधित प्रश्न
Which sources produce alternating current?
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each______.
Name the phenomenon which is made use of in an electric generator.
What type of generator is used at Power Stations?
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
What determines the frequency of a.c. produced in a generator?
State one advantage of using a.c. over d.c.
State change that you would make to convert an A.C. generator into a D.C. generator. Illustrate the change by a diagram.
Observe the figure and write the answers to the questions asked.
- The construction shown in the figure is of which device?
- Explain the principle on which this device works.
- Write any three uses of this device.
A device for producing electric current is ______.
