BE Assignment. (1) Explain Active component and Passive component in Detail. (1) Explain practical voltage source and ideal voltage source.

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1 BE Assignment chapter-1 (1) Explain Active component and Passive component in Detail. (1) Explain practical voltage source and ideal voltage source. (2) Explain practical current source and ideal current source. (3) Define passive components and explain inductor and capacitor as a passive component (4) Define the term signal and draw following types of signals (i) Sinusoidal signal (ii) Square wave signal (iii) Triangular wave signal. (1) Explain following test signals (i) Step signal (ii) Unit step signal. (2) State the difference between active and passive component. (3) Explain following test signals (i) Ramp signal (ii) Unit ramp signal. (4) Define the terms (i) Amplitude (ii) Frequency (iii) Wavelength 1. Draw the different type of Waveforms. 2. Define the terms: I) Amplitude. II) Frequency. 3. Convert the following Current Source into Voltage Source. 4. Define Test signals (any two). 5. Find out Wavelength if time period is 1us. 6. List applications of PN junction diode.

2 chapter-2 1. Explain Zener Diode with its Characteristics and Zener effect. 2. Explain the Working of the P-N junction diode in detail. 3. Explain application of zener diode as a voltage regulator (1) Explain π-filter in detail. (2) Explain T-filter in detail. (3) Why filter is required in rectifier circuit? Draw π filter arrangement used in rectifier circuit. (4) Explain forward biasing of PN junctiondiode and draw V-I Characteristics of it. (1) What is rectifier circuit? Give classification of rectifier circuit used in electronics. (2) Explain with neat diagram the working of NPN transistor. (3) Draw the circuit diagram of full wave bridge rectifier. Also draw input and output wave form of it. (4) Define Rectifier. List various application of rectifier. (1) Draw the symbols of following semiconductor devices (i) Diode (ii) PNP transistor (iii) Light Emitting Diode (LED) (iv) Zener Diode. (2) What is forbidden energy gap? Give the value of forbidden energy for insulator, conductor and semiconductor. (3) Why biasing is needed in transistor circuit? (4) Draw the symbols of following Devices: I) P-N junction diode. II) Zener diode.

3 chapter-3 (1) Explain Construction and Working of P-channel FET. (2) Write short notes on : I) NMOS inverter. II) PMOS inverter. (1) Compare FET and BJT. (2) Explain Transistor as a Switch. (3) Explain working principle of SCR with two transistor analogy (4) Explain working of N channel JFET. (1) Explain with neat diagram transistor as a switch. (2) Draw and explain CMOS inverter circuit. (3) Define Transistor. List various application of Transistor. (1) What is an amplifier circuit? Define the gain of an amplifier circuit.

4 chapter-4 (1) In Hartley Oscillator, Values of Inductors are 0.4 mh and 0.3 mh while the value of Capacitor is 0.5 uf. Find the frequency of Oscillation. (2) In Colpitt Oscillator, values of Capacitors are 2uF and 4uF While the value of Inductor is 10mH. Find the frequency of Oscillation. (3)Explain how amplifier with positive feedback works as an Oscillator. (4) Draw neat circuit diagram of Colpitt s Oscillator. Also write the equation of frequency of oscillations. (1) Explain Positive feedback. (2) Explain Negative feedback. (3) Explain principle of damped oscillations with LC tuned circuit. 1. Define the terms: I) Filter. II) Oscillator. 2. Write down the requirement of Oscillator.

5 chapter-5 1) When unknown d.c. voltage is measured with CRO the beam deflection is observed about 3.0 cm. If the vertical gain control setting was 5V/cm, find out the value of unknown d.c. voltage. (2) Draw the block diagram of Digital Multimeter. (3) Give difference between Analog Display and Digital Display. (4) Write a short note on Coaxial Cable. (1) Explain the Principle of Fiber Optic Cable and Construction of Fiber Optic Cable. (2) State Advantages and Disadvantages of Digital Multimeter. (3) Explain RS-232 connector. (4) Explain RJ-45 connector and RJ-11 connector. (5) Give comparison between analog and digital display. (6) Explain the principle of optical fibre.. (1) List types of connectors used in electronic practice. (2) Give general specifications of a cable. (3) List the applications of CRO. (4) Give the name of connectors used in Telecommunication. (5) Give the comparison between LED display and LCD display. (6) List various application of C.R.O. (7) Write down the Full Form of following: I) IGFET. II) HDMI.

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