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Q1. | Which circuit is called emitter follower? |

A. | CC [Correct Answer] |

B. | CE [Wrong Answer] |

C. | CB [Wrong Answer] |

D. | Both (a) and (b) [Wrong Answer] |

View Answer
Explanation:-
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**Also Read Similar Questions Below :**

⇒ If a driving point function N(

*s*) =

*p*(

*s*)/

*q*(

*s*), then

the terms of lowest degree in

*p*(

*s*) and

*q*(

*s*) may differ in degree by zero only

the terms of lowest degree in

*p*(

*s*) and

*q*(

*s*) may differ by one at the most

the terms of lowest degree in

*p*(

*s*) and

*q*(

*s*) may differ in degree by two at the most

the terms of lowest degree in

*p*(

*s*) and

*q*(

*s*) may differ in degree by three at the most

⇒ Initially the number decimal 8 is stored. If instruction

`RAL`

is executed twice, the final number stored will bedecimals 8

decimal 16

decimal 32

decimal 2

⇒ Two 2 port circuits are connected cascaded. To determine the response, it is more convenient to use

O.C. impedance parameters

S.C. admittance parameters

ABCD parameters

*h*parameters

⇒ From the noise point of view, bandwidth should

be large

not be too large

should be as large as possible

should be infinite

⇒ "Micro-program" is

the name of the source program in microcomputer

the set of instructions indicating the primitive operations in 1 system

the general name of 'MACRO's' in assembly language programming

the name of programs of very small size

⇒ For a photoengraving the mask used is

master mask

slave mask

working mask

photo mask

⇒

**Assertion (A):** Industrial robots improve productivity.

**Reason (R):** Robots can handle monotonous and complex jobs without error in operation.

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is correct but R is wrong

R is correct but A is wrong

⇒ How many lines are there in address bus of 8085 μp?

6

8

12

16

⇒ Which of the following is not a valid real constant?

-73.1

10251,3

10.23

-5.7381

⇒ In a oscillator, a sine wave generator starts at

*t*= 0. It consist of

Pure sine wave

Pure cosine wave

Unity for

*t*> 0

2∪(

*t*) - 1

⇒ The forbidden energy gap for germanium is

0.12 eV

0.32 eV

0.72 eV

0.92 eV

⇒ Calculate the wave number in waveguide having dimensions 4 x 2 cm at 3 GHz

6.28

62.8

8

0

⇒ In a network with twelve circuit elements and five nodes, what is the minimum number of mesh equations?

24

12

10

8

⇒ Which of the following number specification refers to FET with one gate?

2N

3N

3Y

3X

⇒ In microwave system, waveguide twists

change the plane of polarization of a propagating wave

change the direction of a propagating wave

change the mode of a propagating wave

both (b) and (c)

⇒ A magnet does not attract

nickel

iron

copper

iron and copper

⇒ Absolute instruments are used in

laboratories

industries

power houses

standard laboratories

⇒ To ensure that only dominant TE

_{10}mode propagates in a rectangular waveguide, the operating frequency

must be more than cutoff frequency of

*TE*

_{10}mode

must be less than cutoff frequency of

*TE*

_{20}mode

must be more than cutoff frequency of

*TE*

_{10}mode and less than cutoff frequency of TE

_{20}mode

must be less than cutoff frequency of

*TE*

_{10}mode

⇒ The primary constants of a transmission line are

R and L

R, L and C

R and C

R, L, G and C

⇒ In the graph shown in the figure, for the tree with branches

*b*,

*d*and

*f*the fundamental loops would inclu

*abf, def, bdea*

*bdc, def, fba*

*abde, def, cdb*

*cea, bdea, abbf*

⇒ For a second order system, damping ratio ζ is such that 0 < ζ <. Then the roots of characteristic equation are

real but not equal

real and equal

complex conjugate

imaginary

⇒ Consider a multiplexer with X and Y as data inputs and Z as control input. Z = 0 selects input X and Z = 1 selects input Y. What are the connections required to realize the 2-variable Boolean function

*f*= T + R, without using any additional hardware?

R to X, 1 to Y, T to Z

T to X, R to Y, T to Z

T to X, R to Y, 0 to Z

R to X, 0 to Y, T to Z

⇒ For an RC driving point impedance function, the poles and zeros

should alternate on real axis

should alternate only on negative real axis

should alternate on imaginary axis

none of the above

⇒ In a vibrating reed frequency meter the natural frequency of two adjacent reeds have a difference of

0.25 Hz

0.5 Hz

1.25 Hz

1 Hz

⇒ δ(

*t*-

*b*) is a pulse function.

TRUE

FALSE

⇒ Which of these devices can conduct in both directions?

SCR

SUS

SBS

UJT

⇒ A counter displays a sequence of numbers. If a reading corresponds to the hexadecimal number F52E, the next two readings are respectively

F52F, F520

F530, F531

F52F, F530

F52F, F52G

⇒ Radar principle is used in

detection of aircraft

burglar alarms

garage door openers

all of the above

⇒ The series element of a band stop filter is

capacitive

inductive

parallel combination of L and C

series combination of L and C

⇒ In any two port network, input impedance is independent of load impedance.

TRUE

FALSE