Sub Name: Maths-3 / Faculty Name: Dr S Bisnoi / Sem: 3 sem

Assignment- I

Applied Mathematics – III

Q1.Evaluate

Q2.Find the inverse Laplace Transform of

Q3.Find the inverse Laplace Transform of

Q4.Using Convolution Theorem find the Inverse Laplace

Transform of

Q5. Using Laplace Transform solve

When

Sub Name: Basic Electronics / Faculty Name: Saumya Singh / Sem: 3rd

ASSIGNMENT-1

Q1. Describe the Energy Band theory in brief with neat diagram

Q2. Explain semiconductor ,intrinsic & extrinsic semiconductor in brief.

Q3 Derive the expression of diode current equation

Q4. Write a short notes on given below:

(i) Drift current & Diffusion current (with diagram)

(ii) Transition capacitance & Diffusion capacitance (with diagram)

Q5. Explain V-I Characteristics of a Diode and its temperature dependency.

Sub Name: Electrical Machine-I / Faculty Name:Mr.Pramod Kumar Baghmar / Sem: 3rd

Q1. Draw the phasor diagram of transformer for lagging power factor.

Q2. Draw the equivalent circuit diagram of transformer transferred to secondary side.

Q3. Explain constructional features of transformer.

Q4. A 10 KVA , 125/250 V, 50 Hz , single phase transformer gave the following test results.

O.C. Test : 125 V, 0.6 A,50 W(on LV Side)

S.C. Test : 15 V , 30 A ,100W (on HV side)

Calculate (i) Copper loss on full load

(ii)Full load efficiency at 0.8 p.f. leading

(iii)Half load efficiency at 0.8 p.f. leading

(iv)Regulation at full load at 0.9 p.f. leading

Q5. A 100 KVA , single phase transformer has an efficiency of 93% both at full load and half load at unity power factor , determine its efficiency at 50% of full load at 0.8 p.f. lagging

Sub Name: Electric Circuit / Faculty Name: Prashant Bawaney / Sem: 3rd

ASSIGNMENT-1

Q1. Define the given terms:-

(a) Resistance

(b) Inductance

(c) Capacitance

Q2. Explain the concept of duality with the help of suitable example.

Q3. Design the complete incidence matrix for given circuit.

Q4. Derive the matrix loop equation.

Sub Name: Electrical Engineering Materials / Faculty Name: Devendra Kumar Sahu / Sem: 3 sem

ASSIGNMENT-1

Q1. Define drift mobility & drift velocity of electrons.

Q2. Derive relationship between conductivity & mobility of electrons.

Q3. Discuss the factors affecting the resistivity of electrons.

Q4. Define the following terms:

A) conductor

B) insulator

C) semiconductor

D) Dielectric

Q5. Explain the term superconductivity in brief.

Sub Name: Electrical power generation / Faculty Name: Dr. Manoj Kumar Nigam / Sem: 3

ASSIGNMENT-1

Q1. Define the term load factor.

Q2. What is the comparison between renewable and non renewable source of energy?

Q3. Define the term maximum demand.

Q4. . The load curve of an electrical system with the following values at different times:- Time 12 2 5 8 5 6 9 12 Load in MW 20 10 10 50 50 100 100 20 Plot

Chronological load curve and load duration curve for the system.

Q5. . Define the term plant utilization factor.