Question

Nuclear power plant is an example related to which field?
A. Electricity
B. Education
C. E learning
D. Medication

Answer 1

In a nuclear power plant we use fast moving electrons to hit a target nucleus of uranium 235 which then triggers a chain reaction releasing heat energy this heat energy generated helps in making steam which turns the turbine connection to an AC generator. If we know this basic concept the answer is very clear to us.

Complete answer:
Lenz’s law: In a closed loop if the magnetic flux changes an induced electric current flows in a direction such that the current opposes the change that induced it.

The above diagrams show the basic structure of a nuclear power plant. The nuclear reactor where the nuclear fission occurs generates heat energy. This heat converts water into steam, which is very hot and has a very high velocity. This steam generated is subjected to the turbines which are forced to rotate under the pressure of the steam.

The shaft of the turbine is connected to a dynamo. A dynamo contains a coil which is placed between powerful magnets. As the turbine turns, so does the coil, creating a change in the magnetic flux. And according to Lenz's law if magnetic flux changes in a closed loop an induced current is generated to oppose the change. This induced electric current generated is the required electrical energy. This power is then transferred to a load then to long distant stations by the help of a transform.

Thus, the correct option is A.

Note: Every power plant in use is used in production of electricity, but a major amount of heat energy is lost as waste heat. Nearly $\dfrac{1}{3}$ of the energy of the fuel is utilized by this process and rest is emitted as heat waste, this is one of the major drawbacks of this production. This heat energy that is wasted can also be utilized to produce electricity by using the concept of thermo electric effect, in this effect heat energy is used in exiting the electrons of semiconductor metals and the excited electrons drift from one end of high potential to the end of low potential thus producing electricity.