# Physics Circuit Fundamental and Basic Electronics

Physics Circuit Fundamental and Basic Electronic:-In this Post cover all Circuit fundamental and basic electronics notes all question short very short and most important question answer last year paper and physics syllabus.

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### CIRCUIT FUNDAMENTAL AND BASIC ELECTRONICS

Unit-I

Growth and decay of currents through inductive resistances, charging and discharging in R.C. and R.L.C. circuits, Time constant, Measurement of high resistance by Leakage Method, A.C. Bridges, Maxwell’s and Schering’s Bridges, Wien Bridge. Thevenin, Norton, and superposition theorems and their applications.

Unit-II

Semiconductors, intrinsic and extrinsic semiconductors, n-type and p-type semiconductors, unbiased diode, forward bias and reverse bias diodes, diode as a rectifier, diode characteristics, zener diode, avalanche and zener breakdown, power supplies, rectifier, bridge rectifier, capacitor input filter, voltage regulation, zener regulator.

Bipolar transistors three doped regions, forward and reverse bias, D.C. alpha, D.C. beta transistor curves.

Unit-III

Transistor biasing circuits base bias, emitter bias, and voltage divider .bias, D.C. load line. Basic A.C. equivalent circuits, low-frequency model, small-signal amplifiers, common emitter amplifier, common collector amplifiers, and common base amplifiers, current and voltage gain, R.C. coupled amplifier, gain, frequency response, the equivalent circuit at low medium and high frequencies, feedback principles.

Unit-IV

Input and output impedance, transistor as an oscillator, general discussion, and theory of Hartley oscillator only. Elements of transmission and reception, basic principles of amplitude modulation and demodulation. Principle and design of linear multimeters and their application, cathode ray oscilloscope, and its simple applications.

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BSC Physics Very Short Question Answer

Derive an Expression Growth Current L-R Circuit

Capacitor Plates Function of Time

Explain Kirchhoff’s laws Current Distribution

Relevant Theory Method Determining High Resistance

Result Affected Inductance Finite Resistance

Theory Schering Bridge Determination of Capacitance

Describe Theory Wien’s Bridge With Uses

State Explain Superposition Theorem

What Semiconductor Physics Notes

Principal Features Advantages over full Wave Center Tap Rectifier

BSC Physics Define Rectifier Notes

Compare These with Half Wave Rectifier

What Voltage Regulation Notes

Discuss Various Filters Avoid Ripples Notes

Why Collector Current Bias Remains Nearly Constant

Transistor Common Emitter Configuration

Explain Working Common Base Configuration

Derive Expression Stability Factor Biasing

Transistor Biasing Mention Merits Demerits

What are Multistage Amplifier Notes

Explain the Principle of Feedback Amplifiers

Draw Circuit Diagram Emitter follower and Explain Operation

What do you mean h-parameter Notes

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Index