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प्रश्न
A device for producing electric current is ______.
उत्तर
A device for producing electric current is Generator.
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संबंधित प्रश्न
The device used for producing electric current is called a ______.
State whether the following statement is true or false.
An electric motor converts mechanical energy into electrical energy.
What change should be made in an a.c. generator so that it may become a d.c. generator?
Each one of the following changes will increase emf (or voltage) in a simple generator except:
(a) increasing the number of turns in the armature coil
(b) winding the coil on a soft iron armature
(c) increasing the size of the gap in which the armature turns
(d) increasing the speed of rotation
State whether the following statement are true of false:
A wire with a green insulation is usually the live wire.
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 ______.
Draw and label the diagram of an AC generator.
Draw a neat diagram of an AC generator and explain its working.
State one factor that affects the magnitude of induced current in an AC generator.
