Assignment or important Questions

Assignment 1 - unit 1

1.Classify the types of resistors. Explain with neat diagram. 
2. Color coding problems
3. With neat sketches explain the dependent and independent sources.
4. Classify the types of capacitors. Explain about capacitors with neat sketches. 

Assignment 2 - unit 2

1. Explain Ohm's, KVL & KCL.
2. Verify Superposition & Thevenin’s theorems with suitable diagrams.
3. Problems on circuit reduction techniques.
 

Assignment 3 - unit 3

1. Explain PN Junction Characteristics with temperature dependencies also.
2. The voltage across a silicon diode at room temperature of 300⁰K is 0.62V when 2mA current flow through it. If the voltage increases to 0. 8V, calculate the new diode current.
3. Differentiate the avalanche breakdown and Zener breakdown.
4. Explain how Zener diode acts as a voltage regulator.

Assignment 4 - unit 4

1.Explain the working of full wave bridge rectifier with neat diagram. Derive the expression for ripple factor and efficiency.
2.The Half wave rectifier circuit is supplied with a 230V AC through 3:1 Step down Transformer with a resistive load of 10KΩ, the diode forward resistance is 75Ω and transformer secondary winding resistance 10Ω. Calculate step- down voltage, V_DC, I_DC, V_RMS, I_RMS, Rectifier efficiency, and P_DC.
3. Compare filters.
4. Compare all rectifiers.

Assignment 5 - unit 5

1. Construct, explain CE configuration and discuss I/P and O/P characteristics.
2. Explain the working principle of NPN transistor.
3. With neat diagram explain the operation of CRO.
4. With neat diagram explain the operation of Function Generator