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Frequently Asked IES EC Exam Pattern, IES EC Questions with Answers

(#M40019772) IES EC QUESTION EDC(2008 paper-1 obj) Keep an EYE

Q. In a step-graded p-n junction diode, what is the ratio of depletion region penetration depths into p and n regions (if the ratio of accentur to donor impurity atoms densities of 1:2)?

Option
a) 2 : 1
b) 4 : 1
c) 1 : 2
d) 1 : 4

Asked In IES EC Chandni Maurya (5 years ago)

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(#M40019775) IES EC QUESTION Network T (2008 paper-1 obj) Keep an EYE

Match List I and List II and select the correct answer using the code given below the lists:
List-I
(Theorem/Law)
A. Norton's theorem
B. Superposition theorem
C. Thevenin's theorem
D. Kirchhoff's current law
List II
(Property)
1. Effect of independent sources in a linear circuit are additive
2. Law of non-accumulation of change holds good at nodes
3. Current source with shunt resistor
4. Voltage source with series resistor
Code:
A B C D
a. 2 4 1 3
b. 3 1 4 2
c. 2 1 4 3
d. 3 4 1 2

Asked In IES EC Chandni Maurya (5 years ago)

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(#M40019781) IES EC QUESTION Computer(2008 paper-2 obj) Keep an EYE

Q. If 8085 adds 87 H 79 H, then

Option
a) both CARRY and ZERO flags will be set to 0
b) CARRY flag will set to 0, Zero flag to 1
c) CARRY flag will be set to 1, ZERO flag to 0
d) Both CARRY and ZERO flags will be set to 1

Asked In IES EC Chandni Maurya (5 years ago)

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(#M40031874) IES EC QUESTION control system(2006 paper-2 obj) Keep an EYE

Q. Which one of the following is a disadvantage of proportional controller?

a. It destabilizes the system
b. It produces offset
c. It makes response faster
d. It has very simple implementation

Asked In IES EC Chandni Maurya (4 years ago)

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(#M40031883) IES EC QUESTION computer engg (2006 paper-2 obj) Keep an EYE

Q. Which one of the following registers of 8085 microprocessor is not a part of programming model?
a. Instruction register
b. Memory address register
c. Status register
d. Temporary data register

Asked In IES EC Chandni Maurya (4 years ago)

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(#M40019776) IES EC QUESTION Computer Eng(2008 paper-2 obj) Keep an EYE

Q. Match List I with List II and select the correct. Answer using the code given below the lists:

List-I
(Pascal Operator)
A. : =
B. < >
C. =

List-II
(C Operator)
1. ! =
2. = =
3. =
Code:
A B C
a. 1 2 3
b. 3 1 2
c. 2 1 3
d. 2 3 1

Asked In IES EC Chandni Maurya (5 years ago)

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(#M40031870) IES EC QUESTION Signal & system (2006 paper-1 obj) Keep an EYE

Q. The impulse response of a system h(n) = a^n u(n). What is the condition for the system to be BIBO stable?

a. a is real and positive
b. a is real and negative
c. | a | > 1
d. | a | < I

Asked In IES EC Chandni Maurya (4 years ago)

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(#M40031878) IES EC QUESTION computer engg(2006 paper-2 obj) Keep an EYE

Q. What is the Gray code word for the binary number 101011?
a. 101011
b. 110101
c. 011111
d. 111110

Asked In IES EC Chandni Maurya (4 years ago)

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(#M40019784) IES EC QUESTION Analog(2008 paper-2 obj) Keep an EYE

Q. Match List-I with List-II and select the correct answer using the code given below the lists:

List-I
(Name of the circuit)
A. Pre-amplifier
B. Power amplifier
C. Rectifier circuit
D. Purely resistive circuit

List-II
(Property of the circuit)
A. Non-liner circuit
B. Lumped, linear passive, bilateral, finite circuit
C. Large signal amplifier
D. Small signal amplifier

Code: A B C D

a. 4 2 1 3
b. 1 3 4 2
c. 4 3 1 2
d. 1 2 4 3

Asked In IES EC Chandni Maurya (5 years ago)

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(#M40031867) IES EC QUESTION antenna (2006 paper-1 obj) Keep an EYE

Match List-I (Type of Antenna) with List-
II (Example) and select the correct answer
using the code given below the lists:

List I
A. Aperture antenna
B. Circularly polarized antenna
C. Frequency independent antenna
D. Isotropic antenna

List -II
1. Helical antenna
2. Point source
3. Log periodic antenna
4. Microstrip antenna
Codes
___A B C D
a. 3 2 4 1
b. 4 1 3 2
c. 3 1 4 2
d. 4 2 3 1

Asked In IES EC Chandni Maurya (4 years ago)

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