Advertisements
Advertisements
प्रश्न
Suggest two ways in an a.c. generator to produce a higher e.m.f.
State two ways to produce a higher e.m.f. in an a.c. generator.
Advertisements
उत्तर
Two ways in an a.c generator to produce a higher e.m.f. are:
- By increasing the speed of rotation of the coil.
- By increasing the number of turns of coil.
APPEARS IN
संबंधित प्रश्न
Explain the principle of an electric generator.
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.
Explain the difference:
AC generator and DC generator.
A coil of insulated copper wire is connected to a galvanometer forming a loop and a magnet is:
A: Held stationary
B: Moved away along its axis
C: Moved towards along its axis
D: There will be an induced current in
Observe the following diagram and answer the questions.
- Explain the construction of the equipment shown in the figure.
- How is AC generated?
What does the external load do in an a.c. generator?
At which angles does the EMF reach its maximum magnitude?
How is peak current related to peak EMF and external resistance?
What is the area of the stationary-bicycle generator's coil?
What voltage range is given as an example for generators in real power stations?
