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Q1. | A parallel resonant circuit can be used |

A. | as a high impedance [Wrong Answer] |

B. | to reject a small band of frequencies [Wrong Answer] |

C. | both (a) and (b) [Correct Answer] |

D. | to amplify certain frequencies [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ The disadvantage of transformer coupling in amplifier is

cost of transformer at audio frequencies

size of transformer at audio frequencies

size of transformer at radio frequencies

cost and size of transformer at audio frequencies

⇒ In a loss line R

_{L}< Z

_{0}, then

Reflection coefficient is zero

Reflection coefficient is ∞

Reflection coefficient is negative

Reflection coefficient is positive

⇒

Match the following:

List I (Command in WORD) | List II (Meaning) | ||
---|---|---|---|

A. | END | 1. | The bar displays the current position of cursor |

B. | HOME | 2. | Moves cursor to the beginning of current line |

C. | Status | 3. | Moves cursor to end of document |

A-1, B-2, C-3

A-3, B-1, C-2

A-2, B-3, C-1

A-3, B-2, C-1

⇒ The voltage in a circuit follows the law

*v*= 100 sin ω

*t*if the frequency is 25 Hz, how long will it take for the voltage to rise to 50 volts?

1/150

*s*

1/100

*s*

1/300

*s*

1/600

*s*

⇒ A binary with a digits, all of which are unity has the value

*n*

^{2}- 1

2

^{n}2(

^{n - 1})

2

^{n}- 1

⇒ In a series R-L circuit when excited by a 1 volt battery the current is 1 -

*e*

^{-t}. If it is excited by a source 2 sin

*t*, the current will be

2 sin (

*t*- 45°) +

*e*

^{-t}

2 sin (

*t*+ 45°) +

*e*

^{-t}

sin (

*t*- 45°) +

*e*

^{-t}

sin (

*t*+ 45°) +

*e*

^{-t}

⇒ Friction forces acts in a direction

opposite to that of velocity

same as that of velocity

at right angle to that of velocity

partly opposite and partly at right angle to the direction of velocity

⇒ The M.K.S. unit of magnetic field intensity is

ampere

ampere/metre

volt

volt/metre

⇒ Which one of the following effects is used in measuring power?

Seeback

Ferrari

Induction

Hall

⇒ The impulse response of the DT - LTI system is given be

1 and 2

2 and 3

1 and 3

1, 2 and 3

⇒ In a telephone system, the grade of service means

the quality of sound reception at the receiver telephone

the probability that a called for connection is established

the type of wires cables used for the system

none of the above

⇒ A non-linear element has zero resistance.

TRUE

FALSE

⇒ The subcarrier frequency for transmission of colour difference signals in TV systems in India is

9.47 MHz

4.43 MHz

2.06 MHZ

1.3 MHz

⇒ In the circuit shown, in switch S is open for a long time and is closed at

*t*= 0. The current

*i*(

*t*) for

*t*≥ 0

^{+i(t) = 0.5 - 0.125e-1000t Ai(t) = 1.5 - 0.125e-1000t Ai(t) = 0.5 - 0.5e-1000t Ai(t) = 0.375e-1000t A}

⇒ The logic operation that will selectively clear bits in register A in those positions where these are 1 's in the bits of register B is given by

A ← A + B

A ← AB

A ← A + B

A ← AB

⇒ The hexadecimal number 64 AC is equivalent to decimal number

25727

25722

25772

25777

⇒ The integral of unit step function is a ramp of slope unity.

TRUE

FALSE

⇒ A 3 phase fully controlled converter is a

3 pulse converter

6 pulse converter

2 pulse converter

12 pulse converter

⇒ Digital technologies being used now-a-days are

DTL and EMOS

TTL, ECL, CMOS and RTL

TTL, ECL and CMOS

TTL, ECL. CMOS and DTL

⇒ For the logic circuit shown in figure, the simplified Boolean expression for the output

A + B + C

AB

B

C

⇒ Consider a baseband binary PAM receiver shown below. The additive channel noise

*n*(

*t*) is whit with power spectral density S

_{N}(

*f*) = N

_{0}/2 = 10

^{-20}W/Hz. The low-pass filter is ideal with unity gain and cutoff frequency 1 MHz. Let Y

_{k}represent the random variable

*y*(

*t*

0.5 x

0.5 x

0.5 x

_{k}0.5 x*e*^{-3.5}0.5 x

*e*^{-5}0.5 x

*e*^{-7}0.5 x

*e*^{-10}

⇒ The pole zero plot in the given figure is

non-minimum phase function

minimum phase function

all pass function

either (a) or (b)

⇒ Figure represen

Tunnel diode

Zener diode

Photo diode

Photo sensitive diode

⇒ In a linear circuit, the superposition principle can be applied to calculate the

voltage and power

voltage and current

current and power

voltage, current and power

⇒ Tesla is a unit of

flux

field strength

flux density

MMF

⇒ The maximum power that can be transferred to the load is resistor R

1 W

10 W

0.25 W

0.5 W

⇒ In a capacitor filter, the time constant R

TRUE

FALSE

⇒ A rectangular waveguide, in dominant TE mode, has dimensions 10

10 GH

1 GH

15 GH

25 GH

⇒ Average latency time of magnetic tape memory is of the order of

1 μ sec

1 msec

1 sec

1 minute

⇒ V

500

100

100

100

⇒ The pole zero plot in the given figure is

non-minimum phase function

minimum phase function

all pass function

either (a) or (b)

⇒ Figure represen

Tunnel diode

Zener diode

Photo diode

Photo sensitive diode

⇒ In a linear circuit, the superposition principle can be applied to calculate the

voltage and power

voltage and current

current and power

voltage, current and power

⇒ Tesla is a unit of

flux

field strength

flux density

MMF

⇒ The maximum power that can be transferred to the load is resistor R

_{L}from the voltage source in the figur1 W

10 W

0.25 W

0.5 W

⇒ In a capacitor filter, the time constant R

_{L}C should be small.TRUE

FALSE

⇒ A rectangular waveguide, in dominant TE mode, has dimensions 10

*cm*x 15*cm*. The cut off frequency is10 GH

*z*1 GH

*z*15 GH

*z*25 GH

*z*⇒ Average latency time of magnetic tape memory is of the order of

1 μ sec

1 msec

1 sec

1 minute

⇒ V

_{R}at*t*< T,*t*= &in500

*e*^{-40x104t}, 0100

*e*^{-40x103t}, 0100

*e*^{-40x106t}, 0100

*e*^{-40x104t}, 0