Advertisements
Advertisements
प्रश्न
State true or false:
The frequency of AC is 50 Hz.
विकल्प
True
False
Advertisements
उत्तर
The frequency of AC is 50 Hz. - True
APPEARS IN
संबंधित प्रश्न
Name some sources of direct current.
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each______.
State whether the following statement is true or false.
An electric motor converts mechanical energy into electrical energy.
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is pushed into the coil?
What is the major difference between the simple alternator and most practical alternators?
State two ways in the which the current alternating current and direct current?
The frequency of alternating current (a.c.) supply in India is ______.
State whether the following statement are true of false:
A wire with a green insulation is usually the live wire.
Draw a labelled diagram of a simple a.c. generator.
Suggest two ways in an a.c. generator to produce a higher e.m.f.
What energy conversion does take place in a generator when it is in use?
Explain the difference:
AC generator and DC generator.
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.
To convert an AC generator into DC generator ____________.
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is held stationary inside the coil?
An AC generator is provided with ______ slip rings that rotate with the coil.
Observe the following diagram and answer the questions.
- Explain the construction of the equipment shown in the figure.
- How is AC generated?
