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प्रश्न
Name some sources of direct current.
उत्तर
Some sources of direct current are cell, DC generator, etc.
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संबंधित प्रश्न
Name the phenomenon which is made use of in an electric generator.
Draw the labelled diagram of an A.C. generator. With the help of this diagram, explain the construction and working of an A.C. generator.
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
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?
Suggest two ways in an a.c. generator to produce a higher e.m.f.
Explain the construction and working of an electric generator (AC) with the help of a neat diagram.
An AC generator is provided with ______ slip rings that rotate with the coil.
