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प्रश्न
The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
पर्याय
field magnetsplit rings
split rings
slip rings
brushes
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उत्तर
The part of the AC generator that passes the current from the armature coil to the external circuit is brushes.
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संबंधित प्रश्न
The device used for producing electric current is called a ______.
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
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.
Suggest two ways in an a.c. generator to produce a higher e.m.f.
Explain the difference:
AC generator and DC generator.
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 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
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is held stationary inside the coil?
An AC generator is provided with ______ slip rings that rotate with the coil.
State one factor that affects the magnitude of induced current in an AC generator.
