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प्रश्न
What type of generator is used at Power Stations?
उत्तर
A.C. generators are used at power stations.
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संबंधित प्रश्न
Name some sources of direct current.
Which sources produce alternating current?
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each______.
Explain the principle of an electric generator.
State whether the following statement are true of false:
A wire with a green insulation is usually the live wire.
What determines the frequency of a.c. produced in a generator?
Suggest two ways in an a.c. generator to produce a higher e.m.f.
State one advantage of using a.c. over d.c.
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 ______.
