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Q1. | The series element of a band stop filter is |

A. | capacitive [Wrong Answer] |

B. | inductive [Wrong Answer] |

C. | parallel combination of L and C [Correct Answer] |

D. | series combination of L and C [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 :**

⇒ A XOR gate has inputs A and B and output Y. Then the output equation is

Y = AB

Y = AB + A B

Y = A B + A B

Y = A B + A B

⇒ Which is correct for a transfer function?

The poles and zero must be complex

If the poles and zeros are complex or imaginary, they must be conjugate

If the poles and zeros are complex they must be simple

If a zero is imaginary, it must be simple

⇒ Wire-wound resistors are unsuitable for use at high frequencies because they

are likely to melt under excessive eddy current heat

exhibit unwanted inductive and capacitive effects

create more electrical noise

consume more power

⇒ In the op-amp circuit of figure, V

_{010 V-10 V5 V-5 V}

⇒ A TRIAC is a semiconductor device which acts as a

2 terminal unidirectional switch

2 terminal bidirectional switch

3 terminal bidirectional switch

4 terminal multidirectional switch

⇒ A linear time-invariant, causal continuous time system has a rational transfer function with simple poles at

*s*= - 2 and

*s*= - 4, and one simple zero at

*s*= - 1. A unit step

*u*(

*t*) is applied at the input of the system. At steady state, the output has constant value of 1. The impulse response of this system is

[exp (- 2

*t*) + exp (-4

*t*)]

*u*(

*t*)

[-4 exp (- 2

*t*) + 12 exp (-4

*t*) - exp (-

*t*)]

*u*(

*t*)

[-4 exp (- 2

*t*) + 12 exp (-4

*t*)]

*u*(

*t*)

[-0.5 exp (- 2

*t*) + 1.5 exp (-4

*t*)]

*u*(

*t*)

⇒ Consider the following statements

- Dissipative attenuator has a fixed value of attenuation.
- Reflective attenuator has a fixed value of attenuation.
- Both dissipative and reflective attenuators are available only with fixed attenuation.
- Both dissipative and reflective attenuators are available with either fixed or variable attenuation.

1 only

1 and 2

1, 2 and 3

4 only

⇒ In a JFET, gates are always

forward biased

reverse biased

either forward or reverse biased

unbiased

⇒ In a purely resistive circuit the instantaneous power varies from zero to maximum twice in each cycle.

TRUE

FALSE

⇒ Which of the following is type declaration statement in C?

int bar

*s*=

*s*+ 1

king = horse + 1

prin = prin * prin

⇒ Consider a parallel plate capacitor being charged. Identify the incorrect statements

Energy stored in the capacitor does not enter it through the connecting wires but through the space around the wires and plates uf capacitor

Rate at which energy flows into this volume is equal to the integration of the Poynting vector over the boundary of the volume between the plates.

The Poynting vector points everywhere radially outward of the volume between the plates

The Poynting vector points everywhere radially into the volume between the plates.

⇒ In a series operated thyristor configuration, each thyristor should support 100 V. However, the three thyristors only support voltage of 100 V, 90 V and 85 V respectively. Hence, the string efficiency in the case is :

0.9845

0.4584

0.9167

none of these

⇒ Wiedemann-Franz law correlates

electrical and thermal conductivities

electron arrangement in shells

temperature and photo electric emission

all of the above

⇒ For a series R-L-C circuit tuned at resonant frequency which of the following statements is correct?

The voltage across inductance is greater than applied voltage

The voltage across capacitance is greater than applied voltage

The voltage across both inductance and capacitance is greater than applied voltage

The voltage across both inductance and capacitance is less than applied voltage

⇒ For the signal flow graph of the given figure consider the following statements

- It has three forward paths
- It has three individual loops
- It has two non touching loops

1, 2, 3

1, 2

2, 3

1, 3

⇒ PAL stands for

Phase Attenuation by Line

Phase Alternation by Line

Parabolic Alternation by Line

Picture Alternation by Line

⇒ Indicate the false statement: If SWR on a transmission line is infinite, the line is terminated in

open circuit

short circuit

pure reactance

complex impedance

⇒

**Assertion (A):** A dc potentiometer measures the true open circuit emf of a source.

**Reason (R):** At balance point, a dc potentiometer does not draw any current from the source.

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 R is false

A is false R is true

⇒ Peak inverse voltage will be highest for

half wave rectifier

full wave rectifier

bridge rectifier

three phase full wave rectifier

⇒

**Assertion (A):** For a dielectric, P = ∈_{0}(∈_{r} - 1) E.

**Reason (R):** Dipole moment per unit volume is called polarization of dielectric.

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

⇒ The logical expression Y = A + AB is equivalent to

Y = AB

Y = AB

Y = A + B

Y = A + B

⇒ 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

⇒ An AM signal is detected using an envelope detector, the carrier frequency and modulating signal frequency are 1 MHz and 2 kHz respectively. An appropriate value for the time constant of the envelope detector is

500 μ sec

20 μ sec

0.2 μ sec

1 μ sec

⇒ In a single-stage RC coupled common emitter amplifier, the phase shift at the lower 3 dB frequency is

zero

135°

180°

225°

⇒ Examine the following truth table. The product of sum from this truth tabl

(X + Y) (X + Y)

(X + Y) (X + Y)

(X + Y) (X + Y)

(X + Y) (X + Y)

⇒ A triangular Pulse of 10 V peak is applied to a capacitor of 0.4 F. The change of the capacitor and its wavefor

8 rectangular

8 triangular

4 triangular

4 rectangular

⇒ Higher order active filters are used for variable

bandwidth

gain in the pass band

impedance

roll off rate

⇒ The stator of phase shifting transformer for use in conjunction with an ac potentiometer has a

single phase winding

two phase winding

3 phase winding

either (a) or (c)

⇒ In 8085 microprocessor, what is the length of A-register?

6 bits

8 bits

12 bits

16 bits

⇒ Which one the following is an advantage of AM over FM?

FM has wide bandwidth

FM has better

FM is more immune to noise

Probability of noise spike generation is less in AM