Electronics Q & A Archives

Diodes Questions & Answers

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 a combinational circuit? In a combinational circuit, the output depends upon present input(s) only i.e, not

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

What is the effect of negative feedback on voltage gain, BW, Noise, nonlinear distortion, Ri, Ro of a voltage amplifier?

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

What is a common Base amplifier? Common base amplifier is on in which the base terminal is common to both

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.