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 together so as to form a p-n junction is called...
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Electronics Questions and Answers
Electronics Questions & Answers
1. What is Electronic? The study and use of electrical devices that operate by controlling the flow of electrons or other electrically charged particles. 2. What is communication? Communication means...
Operational Amplifiers Questions & Answers
1. Explain what is an operational amplifier? An operational amplifier, abbreviated as op-amp, is basically a multi-stage, very high gain, direct-coupled, negative feedback amplifier that uses voltage shunt feedback to...
Logic Gates Questions and Answers
1. Explain what is a combinational circuit? In a combinational circuit, the output depends upon present input(s) only i.e, not dependant on the previous input(s). The combinational circuit has no...
Electronic Meters Questions & Answers
1. Explain what is the difference between an ammeter and a voltmeter? Ammeter is a low resistance indicating instrument while the voltmeter is a high resistance one. 2. Explain why...
Basic Electronics Questions & Answers
1) What is an Electric Potential? The potential of a particular point, is defined as the work done to move a positive charge particle to move to that point in...
Transistors Questions & Answers
What is a transistor and types of transistors? Transistor is a semiconductor device capable of transferring the signal from high resistance to low resistance or vice versa. Transistor has three...
Semiconductors Diodes Questions & Answers
What is a PN junction diode? The name PN junction diode stands for a junction termed as PN junction formed by injecting into one side of intrinsic semiconductor crystal acceptor...
Amplifiers Questions & Answers
What is the effect of negative feedback on voltage gain, BW, Noise, nonlinear distortion, Ri, Ro of a voltage amplifier? The voltage gain, bandwidth, noise, nonlinear distortion, input resistance, output...
Bipolar Junction Transistors Questions & Answers
1. Explain why an ordinary junction transistor is called bipolar? Because the transistor operation is carried out by two types of charge carriers (majority and minority carriers), an ordinary transistor...