Introduction Near field communication is a short range high frequency wireless communication technology. A radio communication is established by touching...

AC IS MORE DANGEROUS THAN DC AC is four to five times more dangerous than DC. AC causes the most...

It is an electronic device that measures the humidity in its environment and converts its findings into a corresponding electrical...

It is working on the principle of electromagnetic attraction. The relay circuit senses the fault current and energizes the electromagnetic...

Slide switch  It is a bistable two position switch and it is used to current flow in the circuit. It...

            Analog multimeter          digital multimeter The analog multimeter comprises a scale and deflection pointer which actually indicates the value...

UART stands for universal asynchronous receiver-transmitter. It is one of the simplest forms of device to device for digital communication....

           Analog signal                   Digital signal Analog signals are continuous signals. Digital signals are discrete signals. It uses continuous...

Linear network Ckt Non-Linear network Ckt A Linear circuit is one whose parameters are constant with time and they do...

USB stands for UNIVERSAL SERIAL BUS. It allows a person to connect an electronic device to a computer. It is...