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

(#M40019773) IES EC QUESTION EDC(2008 paper-1 obj) Keep an EYE

Q. In n-channel enhancement MOSFET, at a fixed drain voltage

Option
a) the drain current is maximum at zero gate voltage and it decreases with applied negative gate voltage
b) the drain current has a finite value at zero gate voltage and it increases or decreases with the applied voltage of proper polarity
c) the drain current is zero at zero gate voltage and it increases with the positive applied gate voltage
d) the drain current is zero for negative bias voltage to gate and it increases as negativegate bias is decreased in magnitude

Asked In IES EC Chandni Maurya (6 years ago)

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(#M40019774) IES EC QUESTION Measurement(2008 paper-1 obj) Keep an EYE

Q. A 0-250V voltmeter has a guaranteed accuracy of 1% full scale reading (deflection. The voltage measured by this instrument is 100V. The limiting error is given be

Option
a) 1.25%
b) 255
c) 0.25%
d) 2.5%

Asked In IES EC Chandni Maurya (6 years ago)

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(#M40031880) IES EC QUESTION computer engg(2006 paper-2 obj) Keep an EYE

Q. Which of the following instructions of an 8086 microprocessor uses the contents of a CX register as a counter?
1. LOCK
2. LOOP
3. ROTATE
Select the correct answer using the codes given below:
a. Only 1 and 2
b. Only 1 and 3
c. Only 2 and 3
d. 1, 2 and 3

Asked In IES EC Chandni Maurya (6 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 (6 years ago)

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(#M40019789) IES EC QUESTION Microwave(2008 paper-2 obj) Keep an EYE

Q. TEM wave cannot propagate in which one of the following?

Option
a. Two wire transmission line
b. Coaxial cable
c. Rectangular wave guide
d. Micro-strip line

Asked In IES EC Chandni Maurya (6 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 (6 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 (6 years ago)

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(#M40019778) IES EC QUESTION Computer Eng(2008 paper-2 obj) Keep an EYE

Q. A magnetic drum of 8 inch diameter has 100 tracks and storage density of 200 bits/inch. What is its storage capacity?

Option
a) 8402 bits
b) 202400 bits
c) 502400 bits
d) 1004800 bits

Asked In IES EC Chandni Maurya (6 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 (6 years ago)

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(#M40019785) IES EC QUESTION (2008 paper-2 obj) Keep an EYE

Q. The figure of merit of a logic family is given by

Option
a) gain bandwidth product
b) (propagation delay time) x (power dissipation)
c) (fan-out) x (propagation delay time)
d) (noise margin) x (power dissipation)

Asked In IES EC Chandni Maurya (6 years ago)

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