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Q1. | Three point tracking can be achieved with |

A. | gang condenser [Wrong Answer] |

B. | variable selectivity [Correct Answer] |

C. | paddar capacitor [Wrong Answer] |

D. | any of the above [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss it below :Pavankumar Gnane Said on 2018-06-28 02:55:14PADDER CAPACIOR ONLY !! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ Consider the following rules about integer constant in C

- An integer constant must have at least one digit.
- An integer constant must not have a decimal point.
- An integer constant may be positive or negative.
- The default sign is positive.
- A maximum of one comma or blank is allowed.

All

1, 2, 3, 4 only

1, 2, 3, 5

2, 3, 4, 5 only

⇒ The natural frequency S

_{n}of the given circui

-1

1

42737

-2

⇒ An RC oscillator uses

one RC combination

two RC combinations

at least three RC combinations

either (a) or (b)

⇒ The decimal equivalent of ABC

_{16}is

348

2583

2748

33

⇒

**Assertion (A):** In an intrinsic semiconductor J = (μ_{n} x μ_{p})*en*_{i}.

**Reason (R):** Intrinsic charge concentration *n*_{i} at temperature T is given by *n*_{i}^{2} = A_{0} T^{3} *e*^{-EG0/kT}.

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

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

A is true but R is false

A is false but R is true

⇒ A parallel ac circuit in resonance will

act like a resistor of low value

have a high impedance

have current in each section equal to the line current

have a high voltage developed across each inductive and capacitive section

⇒ In a Ballistic galvanometer

inertia is small and damping is also small

inertia is large and damping is critical

inertia is large and damping is small

both inertia and damping are large

⇒ The function Y = A B C + AB C + A B C + A BC is to be realized using discrete gates. The inputs available are A, B, C. We need a total of

8 gates

6 gates

10 gates

5 gates

⇒ The voltage across the secondary of the transformer in a half wave rectifier with a shunt capacitor filter is 50 volts. The maximum voltage that will occur on the reverse biased diode will be

100 V

88 V

50 V

25 V

⇒ Radiation efficiency of an antenna is defined as the ratio of

Total power radiated by an antenna to the net power accepted by the antenna from the connected transmitter

The frequency at which minimum power is radiated to the frequency at which maximum power is radiated

Total power accepted from the transmitter to total power generated by the transmitter

Power in main lobe to that in the side lobe

⇒ In order to achieve good stabilization in potential divider method current I

_{1}through R

_{1}and R

_{2}should be

I

_{1}> 20 I

_{B}

I

_{1}> 15 I

_{B}

I

_{1}< 5 I

_{B}

I

_{1}> 10 I

_{B}

⇒ Consider the following stateme

1 and 2 only

1, 2 and 4

2 and 3 only

2, 3 and 4

⇒ The phase angle curve of G(

*j*ω) H(

*j*ω) is drawn by adding the phase angles of individual factors.

TRUE

FALSE

⇒ Which of the transistor models is most preferred for the analysis of a transistor circuit both at mid-band and at high frequencies?

h-parameter model

y-parameter model

s-parameter model

hybrid-p model

⇒ Transistor T

_{1}operates at 30 kHz and T

_{2}operates at 300 Hz. The flicker noise is

not depend on frequency

T

_{1}> T

_{2}

T

_{1}= T

_{2}

T

_{1}< T

_{2}

⇒ In a synchronous counter all flip flops are clocked together.

TRUE

FALSE

⇒ In a channel voice coder, the outputs of sixteen 20 Hz low pass filters are sampled, multiplexed and A/D converted. If sampling is at 40 samples/second and 3 bits/sample represents each voltage sample, the bit rate is about

1.9 k bits/sec

0.95 k bits/sec

3.8 k bits/sec

7.6 k bits/sec

⇒ In the given figure the number of combinations of three non touching loop

0

1

2

3

⇒ Which of the following statement about the advantage of phase discriminator over the slope detector is false?

Fewer tuned circuits

Better linearity

Greater limiting

Much easier alignment

⇒ The analog signal

*m*(

*t*) is given below

*m*(

*t*) = 4 cos 100 p

*t*+ 8 sin 200 p

*t*+ cos 300 p

*t*, the Nyquist sampling rate will be

1/100

1/200

1/300

1/600

⇒ In a transmission line, losses due to dielectric heating are

proportional to voltage and inversely proportional to Z

_{0}

proportional to voltage and proportional to Z

_{0}

proportional to current and proportional to Z

_{0}

proportional to current and inversely proportional to Z

_{0}

⇒ Two transistors have same value of a but different gain (G) bandwidth (B) product. The transistors have similar geometry. However one of them is germanium and the other is silicon. The transistor with lower GB product

is germanium

is silicon

may be either of two

cannot be identified on the basis of above data

⇒ A voltmeter using thermocouples measures

rms value

peak value

average value

peak to peak value

⇒ The given figure shows log magnitude versus ω plots of a system for different values of gain. For this sy

curve 1 shows highest gain margin and curve 2 shows poorest gain margin

gain margins shown by the three curves are equal

curve 1 shows poorest gain margin and curve 3 shows highest gain margin

curve 3 shows poorest gain margin while curve 1 shows highest gain margin

⇒ A thyristor has maximum allowable junction temperature of 110° C and the ambient temperature is 40°C, If the maximum internal power dissipation is 50 W, the thermal resistance is

2° C/W

1.4° C/W

0.7°C/W

2.2° C/W

⇒ Consider the following amplifier with negative feed

-9 x 10

^{-3}

9 x 10

^{-3}

-11 x 10

^{-3}

11 x 10

^{-3}

⇒

Match the following:

List I (Modulation ) | List II (Modulation Index) | ||
---|---|---|---|

A. | DSBFC | 1. | μ > 1 |

B. | DSBSC | 2. | μ > 0 |

C. | SSB | 3. | ∞ |

4. | μ, any value |

A-2, B-2, C-3

A-1, B-3, C-3

A-4, B-2, C-1

A-2, B-3, C-1

⇒ The logic function

*f*(A B, C) = Σ

*m*(0, 2, 4, 5, 6) represente

i

i, ii

i, iii

i, ii, iii

⇒ If the numerator of Z(

*s*) is one degree higher than denominator, Z(

*s*) has a pole at infinity.

TRUE

FALSE

⇒ A parametric amplifier uses

non linear resistance

non linear reactance

either (a) or (b)

neither (a) nor (b)