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प्रश्न
Draw and label the diagram of an AC generator.
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उत्तर
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संबंधित प्रश्न
Which sources produce alternating current?
Complete the following sentence:
A generator with commutator produces ............... current.
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
The frequency of alternating current (a.c.) supply in India is ______.
Draw a labelled diagram of a simple a.c. generator.
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric Generator (AC)
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.
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 one factor that affects the magnitude of induced current in an AC generator.
