Advertisements
Advertisements
प्रश्न
In an a.c. generator the speed at which the coil rotates is doubled. How would this affect
- the frequency of output voltage,
- the maximum output voltage is doubled.
उत्तर
- In an a.c generator, if the speed at which the coil rotates is doubled, the frequency is also doubled.
- The maximum output voltage is also doubled.
APPEARS IN
संबंधित प्रश्न
State the principle of an electric generator.
The device used for producing electric current is called a ______.
A d.c. generator is based on the principle of:
(a) electrochemical induction
(b) electromagnetic induction
(c) magnetic effect of current
(d) heating effect of current
The current induced in a closed circuit only if there is ______.
Suggest two ways in an a.c. generator to produce a higher e.m.f.
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric Generator (AC)
An a.c. generator changes the ______energy to ______ energy.
State true or false:
The frequency of AC is 50 Hz.
To convert an AC generator into DC generator ____________.
Observe the following diagram and answer the questions.
- Explain the construction of the equipment shown in the figure.
- How is AC generated?
