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प्रश्न
Draw a labelled diagram of a simple a.c. generator.
उत्तर
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संबंधित प्रश्न
The essential difference between an AC generator and a DC generator is that
Name the device which converts mechanical energy into electric energy.
State two ways in the which the current alternating current and direct 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
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.
Suggest two ways in an a.c. generator to produce a higher e.m.f.
Explain the construction and working of an electric generator (AC) with the help of a neat diagram.
The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
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