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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 (11 years ago)

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(#M40019780) IES EC QUESTION Analog(2008 paper-2 obj) Keep an EYE

Q. A feedback amplifier has an open loop gain of -100. If 4% of the output is fed back in a degenerative loop, what is the closed loop gain of the amplifier?

Option
a) 33.3
b) 25
c) 20
d) 25

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019817) SSC QUESTION sequence(SSC 2005) Keep an EYE

5,2,7,9,16,25,?

Asked In SSC Chandni Maurya (12 years ago)

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(#M40019756) GATE QUESTION Keep an EYE

The eigen values of a skew-symmetric matrix are
(A) always zero
(B) always pure imaginary
(C) either zero or pure imaginary
(D) always real

Asked In Gate Chandni Maurya (12 years ago)

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(#M40019768) IES EC QUESTION EMT Keep an EYE

Q. Consider the following elements associated with boundary conditions between two media:
1. Normal component of B is continuous at the surface of discontinuity.
2. Normal component of D may or may not be continuous.
Which of the statements given above is/are correct?


Option
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019814) RRB QUESTION sequence(RRB 2007) Keep an EYE

2,4,12,48,240,?

Asked In RRB Chandni Maurya (12 years ago)

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(#M40019769) IES EC QUESTION EMT (2008 paper-1 obj) Keep an EYE

In a charge-free space, the Poisson's equation results in which one of the following?

Option
a) Continuity equation
b) Maxwell's equation
c) Laplace equation
d) None of the above

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019770) IES EC QUESTION (2008 paper-1 obj) Keep an EYE

Q. Which one of the following statements is not correct?

Option
a) Data loggers are usually of digital types
b) A digital voltmeter is essentially and A-D converter
c) A servo-type potentiometric recorder has a frequency response better than that of a galvometric recorder
d) In digital transducers, there are ergonomic advantages in presenting digital data.

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40031877) IES EC QUESTION analog(2006 paper-2 obj) Keep an EYE

Q. When used for amplification, the output port side of a BJT behaves as controlled current source. According to the above, the variation of which one of the following does not change the output current of an
ideal BLT? (The BJT is being used in a common emitter amplifier circuit)

a. Load resistance
b. Collector to base bias voltage
c. Both load resistance and collector to base bias voltage
d. Base-emitter bias voltage

Asked In IES EC Chandni Maurya (11 years ago)

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(#M40031873) IES EC QUESTION communication(2006 paper-2 obj) Keep an EYE

Q. Match List I (Modulation) with List II (power input to Antenna in Watts) and select the correct answer using the code given below the lists:

List-I
A. 100% AM
B. 50% AM
C. 1.0% AM
D. FM
List-II
1. 1.5
2. 1.125
3. 1.005
4. 1.00
Codes;

__A B C D
a. 1 2 3 4
b. 2 4 1 2
c. 1 4 3 2
d. 3 2 1 4

Asked In IES EC Chandni Maurya (11 years ago)

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