Advertisements
Advertisements
Question
What is the major difference between the simple alternator and most practical alternators?
Solution
Simple alternator | Most practical alternator |
In a simple alternator, small voltage is produced.
|
In a most practical alternator, large voltage is produced |
It is used in cars and bicycles as dynamos.
|
It is used in power houses. |
APPEARS IN
RELATED QUESTIONS
Name some sources of direct current.
The device used for producing electric current is called a ______.
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is pushed into the coil?
Name the device which converts mechanical energy into electric energy.
What type of generator is used at Power Stations?
The current induced in a closed circuit only if there is ______.
Explain the difference:
AC generator and DC generator.
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?
The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is held stationary inside the coil?