It is a DC motor which rotates in steps. After the electrical signal is fed to the motor, it starts to rotate in steps. The speed of the motor is dependent on the rate of input signal applied. The input applied to the motor decides the direction of rotation of the motor. The rotor is a permanent magnet which rotates.

Transducer is a device which converts physical quantity or energy of one form to signal or energy of another form.

The basic working of an induction motor is producing a rotating magnetic field and this field is sinusoidally distributed.

The Polar Satellite Launch Vehicle is known as PSLV. This technology is the most challenging space program for the Indian space program till now.

The Switched mode power supply is abbreviated as SMPS is used to convert the regulated DC output voltage from unregulated DC or AC voltage.

The law of variable proportion states that keeping all other factors fixed, when the quantity of one factor increases, the marginal product of that factor will eventually decline.

The law states that as a consumer consumes more and more units of a specific commodity, the utility from the successive units goes on diminishing.

In economics utility is the capacity of a commodity to satisfy human wants. Utility of a commodity is its want-satisfying capacity.

Demand refers to the desire of a consumer to purchase goods and services and ability to pay a price for the goods and services purchased

Perfect competition involves large number of buyers and sellers with a single uniform price for the product.

Monopolistic competition there are large numbers of buyers and sellers which do not sell homogeneous products

The fundamentals of principle management were developed by French management theorist Henri Fayol (1841–1925). The principles of management are underlying factors for successful management.

A pure monopoly exists when there is only one producer in the market. There are no direct competitions

In oligopoly there are a small number of firms in the market. As per the norms, oligopoly consists of 3 -5 dominant firms.

Capital budgeting is the process of obtaining the best return on investment by evaluating investments and huge expenses

Selection is the process of choosing the right candidate for the job position in an organization.

Recruitment is the process of choosing the right person at the right time for the right position

the law of demand is a fundamental principle which states that there is an inverse relationship between price and quantity demanded

Mutual fund trusts are companies that pool funds from many investors.

The stock market is a market where buyers and sellers gather to trade. That is, buy and sell stocks of listed companies