### Describe Ohm’s Law with Equation

George Simon Ohm established the relationship between potential difference and current, which is known as Ohm’s law. The current flowing through a conductor is, I......

### What is Current Density?

Current density at a point is defined as the quantity of charge passing per unit time through unit area, taken perpendicular to the direction of......

### Define and Describe on Drift Velocity

Drift velocity is defined as the velocity with which free electrons get drifted towards the positive terminal, when an electric field is applied. If τ......

### How Television Work?

Television is such a device by which we can hear the sound and watch the picture of the speakers on the s cvn from distant......

Radio is a wide and important medium of entertainment and communication. We can hear news, song, music, drama, discussion, debate and the advertisements of industrial......

### Speaker and its Functions

Speaker does just the opposite task of the microphone. Speaker converts the electric signal of microphone into corresponding sound wave. Speakers are transducers that convert......

### Microphone and its Functions

Microphone and Speaker Microphone is orally known as mic. In a big meeting or program, a speaker delivers his speech in front of an electronic......

### What is Integrated Circuit?

Integrated circuit is commonly known as IC. IC is used in most of the electronic appliances starting from computer, mobile phone to microoven which we......

### What is Semiconductor?

There are some materials (such as- silicon and germanium) which are neither good conductor nor insulator. These are called semiconductors. Pure semiconductor works as an......

Which one is better between analogue and digital signal can be measured by three factors. These are: the qualitative standard of the sipial, the elements......

### What is Digital Signal?

Generally the word ‘digit’ means number. The word ‘digital’ comes from the word digit. Digital signal means such a communicative signal which can receive some......

### What is Analogue Signal?

The magnitude of some quantity which changes continuously is called analogue. The magnitude of the quantities such as sound, light, temperature, pressure can be of......