File Details:

Questions:

1. Explain the Drift current and Mobility.
2. What is the Ripple factor of Rectifier? Find the Ripple factor of half-wave rectifier.
3. A transistor has an Ic of 100 mA and IB of 0.5 mA. What is the value of adc?
4. Explain the JFET Parameters.
5. Drive the output equation for Non-inverting summing amplifier.
6. Find the concentration of holes and electrons in an N-type silicon at 300 K if the conductivity is 0.1 (ohm-cm)-1. Given that n; at 300 K for silicon = 1.5 x 101cm3, Le at 300 K for silicon = 1300 cm2/V-S.
7. Describe the Ebers-Moll model of a bipolar junction transistor and explain the working of the transistor.
8. Explain in brief, the construction and operation of MOSFET.
9. Draw the circuit diagram of a Half-wave rectifier and calculate: Idc, Irms, Ripple factor, Efficiency of rectification, PIV rating of diode.
10. What do you understand by Thermal Run-away? In what situations it can occur? Derive an expression for stability factor for a fixed bias circuit.
11. Explain the Common Drain (CD) JFET Amplifier.
12. Drive an expression for Adder-Subtractor circuit using OP-AMP.
13. Write short notes on any three of the following: Bridge rectifier circuit, SVRR and CMRR, Intrinsic semiconductor, Emitter biasing.