Advertisements
Advertisements
प्रश्न
Define.
Electromagnetic induction
उत्तर
It is the principle invented by Michael Faraday. According to this principle, whenever magnetic field around a conductor changes, a potential difference is generated across the conductor.
APPEARS IN
संबंधित प्रश्न
Answer the questions by observing the following figure.
A) Write the name of the device shown in the accompanying diagram.
B) Write briefly the work of this device.
Observe the figure and answer the questions given below.
a) Name the reaction.
b) Where is this reaction used?
c) Which element is used in it?
Most electric power plants are based on the principle of ___________.
Principle of Electromagnetic induction was invented by the scientist ___________.
A machine/An engine required to rotate the generator.
Write the function of Generator.
Write the function of Turbine.
Give scientific reason.
The schematic of a turbine also varies according to the type of power generation.
Observe the given diagram and answer the questions given below.
- What is the name of machine given in the diagram?
- Write down the function of this machine in short.
- How does it gets/forms the motion?
Complete the following flow chart.
Complete the following table taking into account the relation between the entries in three columns:
| I | II | III |
| Coal | Thermal energy | Thermal plant |
| Uranium | ______ | Nuclear power plant |
| Water reservoir | Potential energy | ______ |
| ______ | Kinetic energy | Wind electricity plant |
Observe the following figure and answer the questions below:
- What does the flow chart depict?
- Why the energy in the coal is called chemical energy?
- Why such plants are known as thermal power plants?
Bring out the correlation between a turbine and magnet in a generator.
