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प्रश्न
Suggest two ways in an a.c. generator to produce a higher e.m.f.
State two ways to produce a higher e.m.f. in an a.c. generator.
उत्तर
Two ways in an a.c generator to produce a higher e.m.f. are:
- By increasing the speed of rotation of the coil.
- By increasing the number of turns of coil.
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संबंधित प्रश्न
State the principle of an electric generator.
Name some sources of direct current.
The device used for producing electric current is called a ______.
The essential difference between an AC generator and a DC generator is that
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is pushed into the coil?
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 miniature circuit breaker (MCB) works on the heating effect of current.
Name and state the principle of a simple a.c. generator. What is its use?
Draw a labelled diagram of a simple a.c. generator.
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is withdrawn from inside the coil?
