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Q1. | The dual of a link is |

A. | twig [Wrong Answer] |

B. | node [Wrong Answer] |

C. | loop [Wrong Answer] |

D. | tree branch [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss 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 resistance of a metallic wire would

increase as

*f*increase

decrease as

*f*increase

remains the same at all frequencies

increase with

*f*up to a certain frequency and then decrease

⇒ A full wave rectifier supplies a load of 1 kΩ. The a.c. Voltage applied to the diodes is 220 - 0 - 220 Volts rms. If diode resistance is neglected, then Average d.c. Voltage

220 V

200 V

198 V

0 volts

⇒ A capacitor behave to d.c. as

short-circuit

an open-circuit

it behaves to a.c.

none of these.

⇒ The F.T. of a conjugate symmetric function is always

imaginary

real

conjugate Unsymmetric

conjugate symmetric

⇒ The circuit in figure, is to be scaled to an impedance level of 5kΩ and resonant frequency of 5 x 10

^{6}rad/sec. The possible combination of R, L,

2.5Ω, 0.2 mH, 200 pF

5 kΩ, 0.2 mH, 200 pF

5 kΩ, 0.2 mH, 200 μF

5 kΩ, 0.1 mH, 0.4 μF

⇒ An electrical network with 8 independent nodes will have __________ nodal equations.

4

6

7

8

⇒ For an amplifier the power gain in decibels will be equal to voltage gain in decibels only when

R

_{0}= 0

R

_{0}= R

_{i}= 90

R

_{0}= R

_{i}

R

_{i}= 0

⇒ A colour monitor usign 16 bits at a resolution of 600 x 400 pixels needs a memory of

240000 B

9600 B

6400 B

480000 B

⇒ If R

_{T}, R

_{h}represent condition for reciprocity in case of transmission parameter and hybrid parameter respectively and similarly S

_{T}, S

_{h}represent condition for symmetry in case of transmission parameter and hybrid parameter respectively then match the followi

1 -

*c*2 -

*d*3 -

*a*4 -

*f*

1 -

*c*2 -

*b*3 -

*e*4 -

*d*

1 -

*e*2 -

*d*3 -

*a*4 -

*b*

1 -

*e*2 -

*d*3 -

*a*4 -

*f*

⇒ The coils of Drysdale polar potentiometer are wound non-inductively.

TRUE

FALSE

⇒ In a conductor the current flow is due to

holes

electrons

ions

electrons and ions

⇒ In the given figure the input frequency is such that

*R*<<

*X*,

_{c}*v*

_{0}lags

*v*

_{i}by 90°

*v*

_{0}leads

*v*

_{i}by 90°

*v*

_{0}and

*v*

*are in phase*

_{i}either (b) or (c)

⇒ For a symmetrical network

*z*

_{11}=

*z*

_{22}

*z*

_{12}=

*z*

_{21}

*z*

_{11}

*z*

_{22}and

*z*

_{12}=

*z*

_{21}

*z*

_{11}

*z*

_{12}-

*z*

_{12}

^{2}= 0

⇒ A broadside array consisting of 200 cm wavelength with 10 half-wave dipole spacing 10 cm. And if each array element feeding with 1 amp. current and operating at same frequency then find the radiated power

730 W

73 W

100 W

None

⇒

**Assertion (A):** Hamming code is commonly used for error correction

**Reason (R):** In Hamming code the number of parity bits increases as the number of information bits increases.

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 true, R is false

A is false, R is true

⇒ A 12 bit ADC is operating with 1 μs clock period. Total conversion time is 14 μs. ADC is

flash type

counting type

integrating type

successive approximation type

⇒ The D'Arsonval- movement can be converted into audio frequency ac ammeter by adding a

thermocouple

transducer

chopper

rectifier

⇒ In the circuit of figure, the value of

*r*

_{e}is (neglecting

*v*

_{be100 Ω75 Ω50 Ω25 Ω}

⇒ A RADAR can be used to

aim a gun at an aircraft

to direct guided missiles

to search submarines

all of the above

⇒ The poles with greater displacement from the real axis correspond to

higher frequencies of oscillation

stable response

lower frequencies of oscillation

unbounded output

⇒ The bandwidth of DSB suppressed carrier modulation system when the modulating frequency varies between 500 Hz and 5 kHz is

555 kHz

505 kHz

500 kHz

9 kHz

⇒ Armstrong modulator generates

AM signals

FM signals

PM signals

both (b) and (c)

⇒ The load impedance Z

_{L}of a CE amplifier has R and L in series. The phase difference between output and input will be

180°

0

more than 90° but less than 180°

more than 180° but less than 270°

⇒

Match the following:

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

A. | V_{OH}(min) | 1. | 2.4 V |

B. | V_{IH}(min) | 2. | 1.5 V |

C. | V_{OL}(max) | 3. | 0.4 V |

4. | 2.0 V | ||

5. | 0.8 V |

A-1, B-3, C-4

A-1, B-4, C-3

A-5, B-4, C-3

A-1, B-5, C-2

⇒ Choose correct option for a stable system :

- Roots of the characteristic equation of the system are real and negative
- Area within the impulse response is finite

I is true, II is true

I is true, II is false

I is false, II is true

I is false, II is false

⇒ Number of fundamental cut-sets of any graph will be

same as the number of twigs

same as the number of tree branches

same as the number of nodes

equal to one

⇒ A piece of copper and another piece of Germanium are cooled from 30°C to 80 K. The resistance of

copper decreases and germanium increases

both decreases

both increases

copper increases and germanium decreases

⇒ An angle modulated signal is given by

*s*(

*t*) = cos 2p (2 x 10

^{6}

*t*+ 30 sin 150

*t*+ 40 cos 150

*t*). The maximum frequency and phase deviations of

*s*(

*t*) are

10.5 kHz, 140p rad

6 kHz and 80p rad

10.5 kHz, 100p rad

7.5 kHz, 100p rad

⇒ The circuit of figure is ca

current mirror

voltage mirror

impedance inversion

phase splitting

⇒ The word enhancement mode is associated with

tunnel diode

MOSFET

JFET

photo diode