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प्रश्न
Complete the following sentence:
A generator with commutator produces ............... current.
उत्तर
Complete the following sentence:
A generator with commutator produces D.C. current.
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संबंधित प्रश्न
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each______.
What change should be made in an a.c. generator so that it may become a d.c. generator?
What is the major difference between the simple alternator and most practical alternators?
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
What determines the frequency of a.c. produced in a generator?
Explain the difference:
AC generator and DC generator.
State true or false:
The frequency of AC is 50 Hz.
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is withdrawn from inside the coil?
