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प्रश्न
Draw a labelled diagram of a simple a.c. generator.
उत्तर
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संबंधित प्रश्न
State whether the following statement is true or false.
An electric motor converts mechanical energy into electrical energy.
Name the device which converts mechanical energy into electric energy.
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?
Why are Thermal Power Stations usually located near a river?
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 miniature circuit breaker (MCB) works on the heating effect of current.
Name and state the principle of a simple a.c. generator. What is its use?
What energy conversion does take place in a generator when it is in use?
Observe the figure and write the answers to the questions asked.
- The construction shown in the figure is of which device?
- Explain the principle on which this device works.
- Write any three uses of this device.
