Electrical engineering-Network Theory MCQs Set/7 Sample Test,Sample questions

Question:
 For making a capacitor, the dielectric should have __________

1.High relative permittivity

2.Low relative permittivity

3.Relative permittivity = 1

4.Relative permittivity neither too high nor too low


Question:
A 200 μA ammeter has an internal resistance of 200 Ω. The range is to be extended to 500μA. The shunt required is of resistance __________

1.20.0 Ω

2.22.22 Ω

3. 25.0 Ω

4.50.0 Ω


Question:
A capacitor, used for power factor correction in a single phase circuit decreases which of the following?

1.Power factor

2.Line current

3.Both Line current and Power factor

4.Neither Line current nor Power factor


Question:
A driving point impedance with pole at ω = 0 and zero at ω = ∞ must have ___________ term in the denominator polynomial.

1.s

2. s+3

3.s+1

4.s+2


Question:
A driving point impedance with poles at ω = 0, ω = ∞ must have ___________ term in the denominator polynomial.

1.s

2.s+1

3.s+2

4.s+3


Question:
A driving point impedance with zero at ω = 0 and pole at ω = ∞ must have ___________ term in the numerator polynomial.

1.s+1

2.s

3.s+3

4.s+2


Question:
A driving point impedance with zeros at ω = 0, ω = ∞ must have ___________ term in the numerator polynomial.

1.s+3

2.s+2

3.s+1

4.s


Question:
A filter that passes all frequencies lying outside a certain range, while it attenuates all frequencies between the two designated frequencies is called?

1.low pass filter

2.high pass filter

3.band elimination filter

4.band pass filter


Question:
A filter that passes frequencies between two designated cut-off frequencies and attenuates all other frequencies is called?

1.high pass filter

2.band elimination filter

3.band pass filter

4.low pass filter


Question:
A Low-pass filter circuit has a cut-off frequency of 1.23 kHz. The bandwidth of the filter is ______________

1.2.46 kHz

2.1.23 kHz

3.0.615 kHz

4.3.69 kHz


Question:
A Low-pass filter circuit has a cut-off frequency of 50 kHz. The bandwidth of the filter is ______________

1.24.6 kHz

2.50 kHz

3. 61.5 kHz

4.36.9 kHz


Question:
A resistor of 10 kΩ with the tolerance of 5% is connected in series with 5 kΩ resistors of 10% tolerance. What is the tolerance limit for a series network?

1.9%

2.12.04%

3.8.67%

4. 6.67%


Question:
A series RLC circuit has a resonant frequency of 550 Hz. The maximum voltage across C is likely to occur at a frequency of ___________

1.1000 Hz

2.2000 Hz

3.1025 Hz

4.500 Hz


Question:
A thermistor is used for ____________

1.Over voltage protection

2.Temperature alarm circuit

3.Automatic light control

4.Automatic sensor


Question:
A voltmeter has a sensitivity of 1000 Ω/V reads 200 V on its 300 V scale. When connected across an unknown resistor in series with a millimeter, it reads 10 mA. The error due to the loading effect of the voltmeter is

1.3.33%

2.6.67%

3.13.34%

4.13.67%


Question:
An inverse network may be obtained by?

1.Converting each series branch into another series branch

2.Converting each series branch into another parallel branch

3.Converting each parallel branch into another series branch

4.None of the mentioned


Question:
Based on the location of zeros and poles, a reactive one-port can have ____________ types of frequency response.

1.1

2.2

3.3

4.4


Question:
Consider a circuit having a charge of 600 C, which is delivered to 100 V source in a 1 minute. The value of Voltage source V is ___________

1.30 V

2.60 V

3.120 V

4. 240 V


Question:
For a Band Pass Filter, the slope of the filter is given as 40dB/decade. The order of the Band Pass Filter is __________

1.2

2.3

3.4

4.6


Question:
For a Band Pass Filter, the slope of the filter is given as 80dB/decade. The order of the Band Pass Filter is __________

1.10

2.8

3.4

4.6


Question:
For providing a Roll-off greater than 20dB/decade/pole, filters with which characteristics are useful?

1.Butterworth

2.Chebyshev

3.Bessel

4.Butterworth & Bessel


Question:
For providing a Roll-off greater than 60dB/decade/pole, filters with which characteristics are useful?

1.Butterworth

2.Chebyshev

3.Bessel

4.Butterworth & Bessel


Question:
For the complex zeros to appear in conjugate pairs the poles of the network function are ____ and zeros of the network function are ____________

1.complex, complex

2.complex, real

3. real, real

4.real, complex


Question:
Given a m-derived low pass filter has cut-off frequency 1 kHz, design impedance of 400Ω and the resonant frequency of 1100 Hz. Find the value of k.

1.400

2.1000

3.1100

4. 2100


Question:
Given a m-derived low pass filter has cut-off frequency 1 kHz, design impedance of 400Ω and the resonant frequency of 1100 Hz. Find the value of m.

1.0.216

2.0.316

3. 0.416

4. 0.516


Question:
If the polynomial P (s) is either even or odd, then the roots of P (s) lie on __________

1.on σ axis

2.on jω axis

3.left half of s-plane

4.right half of s plane


Question:
If the ratio of the polynomial P (s) and its derivative gives a continued fraction expansion with ________ coefficients, then the polynomial P (s) is Hurwitz.

1.all negative

2.all positive

3.positive or negative

4. positive and negative


Question:
In a parallel RL circuit, 10 A current enters into the resistor R and 15 A current enters into the Inductor L. The total current I is _____________

1.15.5 A

2.25.05 A

3.18.03 A

4. 30.15 A


Question:
In a parallel RL circuit, 12 A current enters into the resistor R and 16 A current enters into the Inductor L. The total current I the sinusoidal source is ___________

1.25 A

2.4 A

3.20 A

4.Cannot be determined


Question:
In which of the filter circuits given below, will the bandwidth be equal to the critical frequency?

1.Low-pass

2.High-pass

3.Band-pass

4. Band-stop


Question:
The attenuation is not sharp in the stop band for an m-derived filter.

1.True

2.False


Question:
The bridged-T phase equalizer consists of?

1.Only pure inductors

2.Only pure capacitors

3.Only pure resistors

4. Only pure reactance


Question:
The current wave shape is in the form of a square terminating at t = 4sec. The voltage across the element increases linearly till t = 4 sec and then becomes constant. The element is ____________

1.Resistance

2.Inductance

3.Capacitance

4.Semi-conductor


Question:
The denominator polynomial in a transfer function may not have any missing terms between the highest and the lowest degree, unless?

1.all odd terms are missing

2. all even terms are missing

3.all even or odd terms are missing

4.all even and odd terms are missing


Question:
The input to output power ratio of the load (N) is the ratio of the________ to the __________

1.Maximum power delivered to the load when the equalizer is not present, power delivered to the load when equalizer is present

2.Power delivered to the load when equalizer is present, maximum power delivered to the load when the equalizer is not present

3.Maximum power delivered to the load when the equalizer is present, power delivered to the load when equalizer is not present

4.Power delivered to the load when equalizer is not present, maximum power delivered to the load when the equalizer is present


Question:
The N is defined as?

1.output power/ input power

2.input power/ output power

3.output power at inductor/ input power

4.output power at capacitor/ input power


Question:
The poles and zeros of driving point impedance function and driving point admittance function lie on?

1.left half of s-plane only

2.right half of s-plane only

3.left half of s-plane or on imaginary axis

4.right half of s-plane or on imaginary axis


Question:
The propagation constant of a symmetrical T-section and π-section are the same.

1.True

2.False


Question:
The real parts of the driving point function Z (s) and Y (s) are?

1.positive and zero

2.positive

3.zero

4.positive or zero


Question:
The relation between α, β, ϒ is?

1.α = ϒ + jβ

2.ϒ = α + jβ

3.β = ϒ + jα

4. α = β + jϒ


Question:
The resistance of a thermistor decreases with increases in __________

1.temperature

2. circuit

3. light control

4.sensors


Question:
The roots of the odd and even parts of a Hurwitz polynomial P (s) lie on ____________

1.right half of s plane

2.left half of s-plane

3.on jω axis

4. on σ axis


Question:
The value of α in the pass band of constant k-low pass filter is?

1.Ï€

2.Ï€/4

3.Ï€/2

4.0


Question:
The value of β in the attenuation band of constant k-low pass filter is?

1.0

2.Ï€

3. π/2

4. π/4


Question:
The value of N in dB is?

1.N = anti log(dB)

2.N = anti log(dB/10)

3.N = anti log(dB/20)

4.N = anti log(dB/40)


Question:
The value of N in terms of attenuation D is?

1.antilog(D)

2.antilog(D/10)

3. antilog(D/20)

4.antilog(D/40)


Question:
The value of one decibel is equal to?

1.0.115 N

2.0.125 N

3.0.135 N

4.0.145 N


Question:
Two capacitors of 0.5 μF and 1.5 μF capacitance are connected in parallel across a 110 V dc battery. The charges across the two capacitors after getting charged is ___________

1.55 μC each

2.275 μC each

3.55 μC and 275 μC respectively

4.275 μC and 55 μC respectively


Question:
When a lead acid battery is being charged, the specific gravity of the electrolyte will ___________

1.Decrease

2.Increase

3.Either Increase or Decrease

4.Neither Increase nor Decrease


Question:
When s is real, the driving point impedance function is _________ function and the driving point admittance function is _________ function.

1.real, complex

2.real, real

3.complex, real

4.complex, complex


More MCQS

  1. Microwave Engineering MCQs Set-1
  2. Microwave Engineering MCQs Set-2
  3. Microwave Engineering MCQs Set-3
  4. Microwave Engineering MCQs Set-4
  5. Microwave Engineering MCQs Set-5
  6. Microwave Engineering MCQs Set-6
  7. Microwave Engineering MCQs Set-7
  8. Microwave Engineering MCQs Set-8
  9. Network Theory Set-1
  10. Network Theory Set-2
  11. Network Theory Set-3
  12. Network Theory Set-4
  13. Network Theory Set-5
  14. Network Theory Set-6
  15. Network Theory Set-7
  16. Network Theory MCQs Set-7
  17. Audio Video Engineering MCQs set -1
  18. Audio Video Engineering MCQs set -2
  19. Audio Video Engineering MCQs set -3
  20. Audio Video Engineering MCQs set -4
  21. Audio Video Engineering MCQs set -5
  22. Audio Video Engineering MCQs set -6
  23. Audio Video Engineering MCQs set -7
Search
Olete Team
Online Exam TestTop Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on Online Exam Testwebsite is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!