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प्रश्न
Identify the figure and explain their use.
उत्तर
The figure given is of a DC generator.
Use of D.C. generator:
- A DC generator converts mechanical energy into direct current.
- The DC generator is used to power stable current generators, boosters, and arc lamps.
- DC generators are also utilised to compensate for voltage drops inside feeds.
संबंधित प्रश्न
If the current values periodically from zero to a maximum value, back to zero, and then reverses its direction, the current is ____________.
The main advantage of A.C power transmission over D.C power transmission over’ long distance is ____________.
The best material to make permanent magnets is ____________.
An electric generator actually acts as ____________.
To convert an AC generator into DC generator
Name four appliances where in an electric motor, a rotating device that converts electrical energy to mechanical energy, is used as an important component. In what respect motors are different from generators?
What is the role of the two conducting stationary brushes in a simple electric motor?
Match the following:
| 1. | Electric generator | a. | Electromagnetic induction |
| 2. | Dynamo | b. | Fleming’s left-hand rule |
| 3. | Magnetic field lines | c. | Slip rings |
| 4. | Electric motor | d. | North to south |
An electric generator works on the principle of electromagnetic induction.
Define an electric generator or a dynamo.
Observe the following diagram and answer the questions given below:
- Identify the above diagram.
- Write the principle on which the above appliance works.
- Write the working of the above appliance.
- Write the use of the above appliance.
What is an electric fuse?
How is electric fuse connected in a circuit?
