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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.
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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.
The essential difference between an AC generator and a DC generator is that
Name the phenomenon which is made use of in an electric generator.
Complete the following sentence:
A generator with commutator produces ............... current.
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.
The frequency of alternating current (a.c.) supply in India is:
(a) 0 Hz
(b) 50 Hz
(c) 60 Hz
(d) 100 Hz
Explain the difference:
AC generator and DC generator.
Observe the figure and answer the following questions.
a) Identify the machine shown in figure.
b) Write a use of this machine.
c) How transformation of energy takes place in this machine.
Draw and label the diagram of an AC generator.
An AC generator is provided with ______ slip rings that rotate with the coil.
