Download JNTUK (Jawaharlal Nehru Technological University Kakinada (JNTU kakinada)) B-Tech 2020 R19 ECE 1101 Basic Electronics Model Previous Question Paper
[B19EC1101]
I B. Tech I Semester (R19) Regular Examinations
BASIC ELECTRONICS
(Electronics and Communication Engineering)
MODEL QUESTION PAPER
TIME: 3Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT.
All questions carry equal marks.
*****
CO KL M
UNIT-I
1. a). Describe intrinsic and extrinsic semiconductors? 1 K2 8
b). Derive expressions for mobility in semiconductors? 1 K1 7
OR
2. a). What is Hall-effect? What are its applications? 1 K1 8
b). Explain Phenomenon of Drift and Diffusion in semiconductors? 1 K2 7
UNIT-II
3. a). What are varis types of passive components ? How 3 band and 4
band resistors are decoded?
2 K1 8
b). Explain inductance and mutual inductance of an inductor? 2 K2 7
OR
4. a). With a neat sketch explain basic operation of CRO? 2 K2 8
b). What are KVL and KCL? Explain each with an example? 2 K2 7
UNIT-III
5. a). Explain basic operation and V-I characteristics of semiconductor diode? 3 K2 8
b). What is Zener diode? Explain its operation in reverse bias condition
along with its applications?
3 K2 7
OR
6. a). Draw and explain the operation of a full wave rectifier? 3 K2 8
b). Explain construction and operation of photo-diode? 3 K2 7
UNIT-IV
7. a). Plot the input and tput characteristics of transistor in CB
configuration?
4 K1 8
b). List and Explain the fabrication steps of Monolithic ICs? 4 K2 7
OR
8. a). Explain CC configuration of transistor? 4 K2 8
b). What is an IC? Write a short notes on Classification of ICs? 4 K1 7
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7
[B19EC1101]
I B. Tech I Semester (R19) Regular Examinations
BASIC ELECTRONICS
(Electronics and Communication Engineering)
MODEL QUESTION PAPER
TIME: 3Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT.
All questions carry equal marks.
*****
CO KL M
UNIT-I
1. a). Describe intrinsic and extrinsic semiconductors? 1 K2 8
b). Derive expressions for mobility in semiconductors? 1 K1 7
OR
2. a). What is Hall-effect? What are its applications? 1 K1 8
b). Explain Phenomenon of Drift and Diffusion in semiconductors? 1 K2 7
UNIT-II
3. a). What are varis types of passive components ? How 3 band and 4
band resistors are decoded?
2 K1 8
b). Explain inductance and mutual inductance of an inductor? 2 K2 7
OR
4. a). With a neat sketch explain basic operation of CRO? 2 K2 8
b). What are KVL and KCL? Explain each with an example? 2 K2 7
UNIT-III
5. a). Explain basic operation and V-I characteristics of semiconductor diode? 3 K2 8
b). What is Zener diode? Explain its operation in reverse bias condition
along with its applications?
3 K2 7
OR
6. a). Draw and explain the operation of a full wave rectifier? 3 K2 8
b). Explain construction and operation of photo-diode? 3 K2 7
UNIT-IV
7. a). Plot the input and tput characteristics of transistor in CB
configuration?
4 K1 8
b). List and Explain the fabrication steps of Monolithic ICs? 4 K2 7
OR
8. a). Explain CC configuration of transistor? 4 K2 8
b). What is an IC? Write a short notes on Classification of ICs? 4 K1 7
8
UNIT-V
9. a). Convert the Decimal number 867.9 into Binary, Octal, and
Hexadecimal?
5 K3 8
b). Explain operation and truth table of a) NAND b)NOR c)XOR gates. 5 K2 7
OR
10. a). Explain operation and State Transition table of J-K flip-flop? 5 K2 8
b). Convert following Decimal numbers to Binary
a)1101 b)1110.1111 c) 217.67
5 K3 7
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This post was last modified on 28 April 2020