## Digital Voltmeter Circuit and Working Principle

In digital voltmeters, the input quantity is a voltage or is converted into a voltage. Normally, digital voltmeters … Read More

## Digital Frequency Meter Circuit Diagram and Working Principle

The article explores various methods for measuring frequency, including digital frequency meters and reed-type frequency meters. These devices … Read More

## Oscilloscope Basics | What is an Oscilloscope

“Oscilloscope is most widely used to display amplitude and period of the signal as well as the shape … Read More

## Magnetic Flux Definition and Unit

Magnetic Flux is defined as; “a total number of lines of magnetic force passing through any surface placed … Read More

## Potentiometer Variable Resistor Working Principle

A potentiometer or a rheostat is an instrument used to measure and compare potentials without drawing any current from … Read More

## Wheatstone Bridge Circuit Theory and Working Principle

Wheatstone bridge is used to measure unknown resistance and is defined by the circuit of the following figure. In … Read More

## RC Series Circuit Analysis | RC Time Constant

In the case of a resistive-capacitive (RC) series circuit, when the supply is first switched on the charging … Read More

## Magnetic Force on a Current Carrying Conductor

A current carrying conductor produces its own magnetic field. Such a conductor is placed in a magnetic field. … Read More

## Resistors in Series and Parallel

Learning Outcomes Calculate the total resistance of different resistor combinations i.e., series, parallel, and series-parallel. Show how resistors … Read More

## AC Energy Meter Working Principle

Energy is the product of power and time and is measured in watt-seconds or Joule. Since the voltage … Read More

## Capacitors in Series and Capacitors in Parallel

A capacitor is a passive device which stores energy in an electric field and opposes the change in … Read More