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Q1. | Match the following:
| ||||||||||||||||

A. | A-3, B-2, C-1 [Correct Answer] | ||||||||||||||||

B. | A-1, B-2, C-3 [Wrong Answer] | ||||||||||||||||

C. | A-1, B-3, C-2 [Wrong Answer] | ||||||||||||||||

D. | A-2, B-3, C-1 [Wrong Answer] | ||||||||||||||||

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

⇒ The minority carrier life time and diffusion constant in a semiconductor material are respectively 100 microsecond and 100 cm

^{2}/sec. The diffusion length is

0.1 cm

0.01 cm

0.0141 cm

1 cm

⇒ Which of these triggering methods for series connected SCRs use LASCR in the gate circuit?

Resistance triggering

Simultaneous triggering

Sequential triggering

Optical triggering

⇒ An alternating current or voltage is that which

changes in magnitude only

changes in direction only

both (a) and (b)

has a random movement of electrons

⇒ The gain of collinear arrays is maximum when the spacing between the elements is

0.1 λ to 0.3 λ

0.3 λ to 0.9 λ

0.5 λ to 0.7 λ

0.7 λ to 0.9 λ

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Bode | 1. | Asymptotic plots |

B. | Evans | 2. | Polar plots |

C. | Nyquist | 3. | Root locus technique |

4. | M and N circles |

A-1, B-4, C-2

A-2, B-3, C-4

A-3, B-1, C-4

A-1, B-3, C-2

⇒ How many different binary numbers can be stored in a register consisting of six switches?

16

32

64

128

⇒ Consider the following statements:

- Acceptor level is formed very close to the conduction band.
- The effective mass of the free electron is same as that of a hole.
- The magnitude of the charge of a free electron is same as that of a hole.
- Addition of donor impurities adds holes to the semiconductor.

1 and 3

2 and 3

2 and 4

3 and 4

⇒ In an R-L-C series circuit, R = 2/L/C . If R is doubled

the response will become underdamped

the response will become overdamped

the response will be critically damped

the response may be under damped or overdamped

⇒ As per Euler's identity

*e*

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TRUE

FALSE

⇒ When number of quantization levels are two; then the average transmission power in NRZ polar signaling is __________ that of NRZ unipolar signaling

42737

42739

42743

none of these

⇒ The waveform shown in the given Figure can be written

*v*(

*t*) =

*u*(

*t*- 1) +

*u*(

*t*- 2) +

*u*(

*t*- 3) +

*u*(

*t*-4)

*v*(

*t*) =

*u*(

*t*- 1) +

*u*(

*t*- 2) +

*u*(

*t*- 3) +

*u*(

*t*-4) -

*u*(

*t*- 5)

*v*(

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*u*(

*t*- 1) +

*u*(

*t*- 2) +

*u*(

*t*- 3) +

*u*(

*t*-4) - 4

*u*(

*t*- 5)

*v*(

*t*) =

*u*(

*t*- 1) +

*u*(

*t*- 2) +

*u*(

*t*- 3) +

*u*(

*t*-4) + 4

*u*(

*t*- 5)

⇒ The 4 point Discrete Fourier Transform (DFT) of a discrete time sequence {1, 0, 2, 3} is

[0, - 2 + 2

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[2, 2 + 2

*j*, 6, 2 - 2

*j*]

[6, 1 - 3

*j*, 2, 1 + 3]

[6, - 1 + 3

*j*, 0, - 1 - 3

*j*]

⇒ A circular waveguide carries TE

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2 p cm

8 cm

⇒ Electrons can be emitted from a metal surface due to high electric field.

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⇒ The amplitude of a pair of composite sinusoidal signal

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*n*)

*x*

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*n*) is __________ .

2

3

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1

⇒ Adder is a combinational logic circuit.

TRUE

FALSE

⇒ Fourier transform o the function

*f*(

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p δ (ω)

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⇒ The impedance parameter

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transfer impedance at port 1 with port 2 short circuited

transfer impedance at port 2 with port 1 open circuited

transfer impedance at port 2 with port 1 short circuited

⇒ Consider the following

only statement 1 is correct

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both statements are correct

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⇒ Public address systems generally use electret microphones.

TRUE

FALSE

⇒ In an

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number of holes is greater than the number of free electrons

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Phosphorus

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Arsenic

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⇒ A FET is a __________ controlled device whereas a bipolar transistor is a __________ controlled device.

gate, drain

drain, gate

current, voltage

voltage, current

⇒ The waveguides compared to equivalent transmission lines at low frequency are

able to carry more power

less noisy

having lower attenuation

all of the above

⇒ The r.m.s. value of a half-wave rectified current is 100 A. Its value for full-wave rectification would be __________ amperes.

141.4

200

200/p

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⇒ A generated voltage is equally dependent on three resistances R

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_{2}, R

_{3}and its value is V = (R

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_{2})/R

_{3}. If tolerance of each resistor is 0.1%, the maximum error in voltage is

0.003

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0.001

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⇒ An FM transmitter delivers 80W to a load of 30 W when no modulation is present. The carrier is now frequency modulated by a single sinusoidal signal and the peak frequency deviation is so adjusted to make the amplitude of the second sideband is zero in the given out

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16.81 W

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large bandwidth is required