How is electric current used in practical applications?

Electric current is used in practical applications to power devices and machines.

Electric current is the flow of electric charge through a conductor. It is used to power a wide range of devices and machines, from household appliances to industrial equipment. One of the most common uses of electric current is in lighting. Light bulbs and fluorescent tubes rely on electric current to produce light. Electric current is also used to power motors, which are found in everything from cars to washing machines. Motors convert electrical energy into mechanical energy, allowing them to perform tasks such as spinning a washing machine drum or propelling a car.

Electric current is also used in electronics. Electronic devices such as computers, smartphones, and televisions rely on electric current to function. The flow of current through circuits allows these devices to perform complex tasks such as processing data and displaying images. Electric current is also used in medical equipment, such as MRI machines and defibrillators. These machines use electric current to create images of the body and to restart the heart in the case of cardiac arrest.

In conclusion, electric current is a versatile form of energy that is used in a wide range of practical applications. From lighting and motors to electronics and medical equipment, electric current plays a vital role in modern society. Understanding the properties of electric current is essential for anyone studying physics or engineering.