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प्रश्न
The essential difference between an AC generator and a DC generator is that
विकल्प
AC generator has an electromagnet while a DC generator has permanent magnet.
DC generator will generate a higher voltage.
AC generator will generate a higher voltage.
AC generator has slip rings while the DC generator has a commutator.
उत्तर
AC generator has slip rings while the DC generator has a commutator.
संबंधित प्रश्न
State the principle of an electric generator.
Explain the underlying principle and working of an electric generator by drawing a labelled diagram. What is the function of brushes?
Name and state the principle of a simple a.c. generator. What is its use?
Suggest two ways in an a.c. generator to produce a higher e.m.f.
A flat coil of wire rotates at a constant speed about an axis perpendicular to a uniform magnetic field. Draw a graph to show how the induced e.m.f. varies relative to the positions of the coil during its one complete rotation. At what position of the coil, the e.m.f. has the maximum value?
State change that you would make to convert an A.C. generator into a D.C. generator. Illustrate the change by a diagram.
The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
A device for producing electric current is ______.
Draw and label the diagram of an AC generator.
State one factor that affects the magnitude of induced current in an AC generator.
