What is difference between MCB and MCCB

What is the difference between MCB & MCCB, Where it can be used? MCB stand for Miniature Circuit Breaker MCCB stand for Moulded Case Circuit Breaker MCB is miniature circuit breaker which is thermal operated and use

Tubelight circuit connection with diagram

A choke is connected in one end of the tube light and a starter is in series with the circuit. When supply is provided ,the starter will interrupt the supply cycle of AC. Due to the sudden

Advantages and disadvantages of electrical transducer

There are some advantages of electrical transducer which are given below. Electrical signals can be easily attenuated or amplified and can be brought up to a level suitable for various device, with the help of static device

Block diagram of digital storage oscilloscope

The block diagram of digital storage oscilloscope is shown in above figure. In this method, the waveform to be stored is digitized, stored in a digital memory and retrived for display on the storage oscilloscope. The stored

What is ohmmeter?

The ohmmeter is a convenient direct reading device for measurement of resistance. The purpose of an ohmmeter is to measure the resistance placed between its leads. This resistance reading is indicated through a mechanical meter movement which

Optical transducer

The optical transducerĀ  convert light into electrical quantity. They are also called as photoelectric transducers. The optical transducer can be classified as photo emissive, photoconductive and photovoltaic transducers. The photo emissive devices operate on the principle that

Advantages and disadvantages of electronic multimeter

There are some advantages of electronic multimeter which are given below, The input impedance is high. The frequency range is high. The construction is rugged. The circuit is simple. It is less suffered from electric noise. The

Conduction of current through P type semiconductor

When we connect a battery across a P type semiconductor let us see that what happens. The free electrons and holes experience the force towards the battery terminals. The free electrons will tend to move towards the

Conduction of current through N type semiconductors

Let us see what happens if we connect a battery across an N type semiconductor as shown in below figure. The free electrons and holes experience the force towards the battery terminals. The free electrons will tend

Temperature effect on conductivity

An intrinsic semiconductor at absolute zero, behaves as a perfect insulator. The amount of energy required to break a covalent bond is 0.72 eV in case of germanium and 1.11 eV in case of silicon. Equivalently, we

Advantages, disadvantages and applications of piezoelectric pressure transducer

There are some advantages of piezoelectric pressure transducer which are given below, Rugged construction and small size. Excellent frequency response. High output with negligible phase shift. There are some disadvantages of piezoelectric pressure transducer which are given

Capacitor testing with ohmmeter

Three capacitor defects are detectable with an ohmmeter are short, open and partial short. If the capacitor is in a ciruit, it must be separated by disconnecting one lead. The shorted capacitor has a dilectric breakdown. When
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