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Basic Network Analysis MCQ

1. A ____ ip address is one which can be accessed by packets on the internet.

BitTorrent

Routers

Routable

DSL modem

Answer

Correct Answer: Routable

Note: This Question is unanswered, help us to find answer for this one

2. A two branch tuned circuit has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. If R is increased, the dynamic resistance

Increases

Decreases

Remains constant

May increases or decreases

Answer

Correct Answer: Decreases

Note: This Question is unanswered, help us to find answer for this one

3. A capacitor used for power factor correction is single phase circuit decreases

Power factor

Line current

Both line current and p.f.

The line current and increases p.f.

Answer

Correct Answer: The line current and increases p.f.

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4. Two coils having self inductances of 10 mH and 40 mH are mutually coupled. The maximum possible mutual inductance is

40 mH

20 mH

10 mH

5 mH

Answer

Correct Answer: 20 mH

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5. A series RLC circuit has a resonant frequency of 1000 Hz. The maximum voltage across C is likely to occur at a frequency of about

1000 Hz

2000 Hz

1025 Hz

975 Hz

Answer

Correct Answer: 975 Hz

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6. A current is flowing through a conductor with non-uniform area of cross-section. Then

Current will be different at different cross-sections.

Current will be the same at all the cross-sections.

Current will be different but current density will be same at all the cross-sections

Current will be the same but current density will be different at different cross-sections.

Answer

Correct Answer: Current will be the same but current density will be different at different cross-sections.

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7. The synthesis of minimum function was suggested by

O'Brune

R. Richards

Bott and Duffin

None of the above

Answer

Correct Answer: O'Brune

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8. The terms RMS and average values apply only to sine waves.

True

False

Answer

Correct Answer: False

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9. An RLC series circuit is under damped. To make it over damped, the value of R

Has to be increased

Has to be decreased

Has to be increased to infinity

Has to be reduced to zero

Answer

Correct Answer: Has to be increased

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10. In a parallel resonant circuit, the circuit current at resonance is maximum.

True

False

Answer

Correct Answer: False

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11. Three resistance of 15 Ω each are connected in delta. The resistance of equivalent star will have a value of

15 Ω

5 Ω

5/3 Ω

45 Ω

Answer

Correct Answer: 5 Ω

Note: This Question is unanswered, help us to find answer for this one

12. Which statement is true for an ac circuit?

Active power is always less than apparent power

Active power cannot be more than apparent power

Active power is always more than reactive power

Active power cannot be more than reactive power

Answer

Correct Answer: Active power cannot be more than apparent power

Note: This Question is unanswered, help us to find answer for this one

13. Two similar coils have self inductance of 1 mH each. Coefficient of coupling is 0.5. The mutual inductance M is

0.25 mH

0.5 mH

0.707 mH

1 mH

Answer

Correct Answer: 0.5 mH

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14. In a two terminals network the O.C. voltage measured at the given terminals is 100 V and s.c., currents at the same terminals 5 A. If a load of 80 Ω resistance is connected at the terminals, load current is

1 A

1.25 A

6 A

6.25 A

Answer

Correct Answer: 1 A

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15. Two similar coupled coils are connected in series. The total inductance in series aiding connection is 100 mH. If currents is 3 A, the energy stored in magnetic field is

0.9 J

0.45 J

0.225 J

1.8 J

Answer

Correct Answer: 0.225 J

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16. The poles with greater displacement from the real axis correspond to

Higher frequencies of oscillation

Stable response

Lower frequencies of oscillation

Unbounded output

Answer

Correct Answer: Higher frequencies of oscillation

Note: This Question is unanswered, help us to find answer for this one

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