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प्रश्न
A device for producing electric current is ______.
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उत्तर
A device for producing electric current is Generator.
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संबंधित प्रश्न
State the principle of an electric generator.
Name some sources of 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
The frequency of alternating current (a.c.) supply in India is ______.
State whether the following statement are true of false:
A miniature circuit breaker (MCB) works on the heating effect of current.
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 ______.
Draw and label the diagram of an AC generator.
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is held stationary inside the coil?
Observe the following diagram and answer the questions.
- Explain the construction of the equipment shown in the figure.
- How is AC generated?
