Engineering Tutorial

1. Explain what is a pn junction? The contact surface between the layers of p-type and n-type semiconductor pieces plated ...

1. What is Electronic? The study and use of electrical devices that operate by controlling the flow of electrons or ...

1. Explain what is an operational amplifier? An operational amplifier, abbreviated as op-amp, is basically a multi-stage, very high gain, ...

1. Explain what is the difference between an ammeter and a voltmeter? Ammeter is a low resistance indicating instrument while ...

1. Explain what is a cathode ray oscilloscope (CRO)? A CRO is an electronic device with a CRT as its ...

1. Explain what is a zener diode? Zener diode is a p-n junction diode specially designed for operation in the ...

1. Explain why an ordinary junction transistor is called bipolar? Because the transistor operation is carried out by two types ...

1. Explain what is a dc power supply? The part of the equipment that converts ac into dc is called ...

1. Explain what is an amplifier? The device that amplifies the amplitude of the input signal is called the amplifier. ...

1. Explain what is Fermi level? The maximum energy that an electron in a metal has at the absolute zero ...