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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
What type of generator is used at Power Stations?
The frequency of alternating current (a.c.) supply in India is:
(a) 0 Hz
(b) 50 Hz
(c) 60 Hz
(d) 100 Hz
State whether the following statement are true of false:
A wire with a green insulation is usually the live wire.
Name and state the principle of a simple a.c. generator. What is its use?
What determines the frequency of a.c. produced in a generator?
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.
What energy conversion does take place in a generator when it is in use?
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.
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. What will happen if a bar magnet is withdrawn from inside the coil?
