Question is ⇒ In an underdamped RLC series circuit, the natural frequency is ωn. The frequency of damped oscillations is, Options are ⇒ (A) ωn, (B) less than ωn, (C) more than ωn, (D) 2 ωn, (E) , Leave your comments or Download question paper.

Question is ⇒ In an underdamped RLC series circuit, the natural frequency is ωn. The frequency of damped oscillations is, Options are ⇒ (A) ωn, (B) less than ωn, (C) more than ωn, (D) 2 ωn, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In an underdamped RLC series circuit, the natural frequency is ω_n. The frequency of damped oscillations is
A.	ω_n [Wrong Answer]
B.	less than ω_n [Correct Answer]
C.	more than ω_n [Wrong Answer]
D.	2 ω_n [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Impedance inversion may be obtained with
a short circuited stub
a quarter wave line
an open circuited stub
a half wave line

⇒ The theoretical power of white noise is
zero
finite
depend upon frequency of signal
infninite

⇒

Assertion (A): The ac load line is different from dc load line

Reason (R): The ac load resistance seen by collector and emitter is different from dc load resistance

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct

⇒ Triatics are
small height antenna directly mounted on jeeps, ships, etc.
the towers or masts which are used as radiators
the towers or masts which are not used as radiators
supports for antenna conductors.

⇒ 24 telephone channels are frequency division multiplexed using an SSB modulation. Assuming 3 kHz per channel, the required band width is
8 kHz
27 kHz
21 kHz
72 kHz

⇒ Which of the following statements about the matched filter in a communication receiver are correct?

Its impulse response depends on the signed shape
It maximizes the SNR at the detection shape.
It produces ISI.
It may produce phase error if synchronization is improper.

Select the correct answer from the codes given below:
1 and 4 only
1 and 2 only
2, 3 and 4
1, 2 and 4

⇒ In 8085 eight address and data buses are multiplexed.
TRUE
FALSE

⇒ The rms voltage measured across each of the circuit element in figure is as shown, when the circuit is excited by a sinusoidal voltage E_s, the rms value of the source voltage e_{s10 volt
2 volt
E_s
5 volt}

⇒ Consider the real expression in Pascal language XZ and MP + K
XZ + Y and MP + K
(MP + K + X) / Y
Y / (MP + K)

⇒ In a RS flip-flop no change occurs during
prohibited mode
set mode
reset mode
disable mode

⇒ In a purely inductive ac circuit, the supply voltage and voltage induced across inductance are equal and opposite at all instants.
TRUE
FALSE

⇒ Presently, the worlds's largest and most advanced multi-purpose communication satellite is
INSAT-2
Intelsat-V
INSAT-ID
Olympus-I

⇒ The forbidden energy gap between the valence band and conduction band will be least in case of
metals
semiconductors
insulators
all of the above

⇒ Microprocessor 8088 has
16 bit registers and 16 bit data bus
8 bit registers and 8 bit data bus
8 bit registers and 16 bit data bus
16 bit registers and 8 bit data bus

⇒ Which of the following statements is false?
Push pull signals are equal and opposite in phase
Class AB operation cannot be used for a push pull audio power output phase
A push pull output transformer has a centre-tapped primary
All of the above

⇒ The parallel RLC circuit shown in figure is in resonance
I_R < 1 mA
| I_R + I_L | > 1 mA
| I_R + I_L | < 1 mA
| I_L + I_C | > 1 mA

⇒ Figure shows an RC circuit. The magnitude plot V₂/V_{1will rise exponentially to R₂/(R₁ + R₂) as ω → ∞
will rise linearly to R₂/(R₁ + R₂) as ω → ∞
will decrease to zero as ω → ∞
will rise 1 at ω = 0 and then decrease as ω → ∞}

⇒ In spread spectrum technique
a modulated signal is modulated again
a modulated signal is modulated twice again
the power of a modulated signal is increased
the noise component of a modulated signal is decreased

⇒ Electric breakdown strength of a material depends on its
composition
moisture content
thickness
all of the above

⇒

Match the following:

	List I (Processor in C)		List II (Output)
A.	Preprocessor	1.	Source code file
B.	Compiler	2.	Executable code in machine language
C.	Linker	3.	Relocatable object code

A-1, B-2, C-3
A-2, B-3, C-1
A-3, B-2, C-1
A-1, B-3, C-2

⇒ A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 100. If each of R, L and C is doubled from its original value, the new Q of the circuit is
25
50
100
200

⇒ An OR gate has 4 inputs. One input is high and the other three are low. The output
is low
is high
is alternately high and low
may be high or low depending on relative magnitude of inputs

⇒ A periodic voltage has following values for equal time intervals changing suddenly from one value to next : 0, 5, 10, 20, 50, 60, 50, 20, 10, 5, 0, - 5, - 10
31 v
32 v
insufficient data
none of these

⇒ Two currents have the same peak value. Wave 1 is sinusoidal and wave 2 is rectangular. The ratio of their heating effects are
0.0423611111111111
1 : 2
0.0430555555555556
0.000711805555555555

⇒ In the decimal number 27, the digital 2 represents
2
20
0.2
200

⇒ The time constant of a series R-C circuit is given by
R/C
RC²
RC
R²C

⇒ Piezoelectric quartz crystal resonators find application where
signal amplification is required
rectification of the signal is required
signal frequency control is required
modulation of signal is required

⇒ For high frequencies a capacitor like
an open circuit
a short circuit
either open circuit or short circuit
none of the above

⇒ A cordless telephone using separate frequencies for transmission in base and portable units is known as
duplex arrangement
half duplex arrangement
either (a) or (b)
neither (a) nor (b)

⇒ An audio signal (say from 50 Hz to 10000 Hz) is frequency translated by a carrier having a frequency of 10⁶ Hz. The values of initial (without frequency translation) and final (after frequency translation) fractional change in frequency from one band edge to the other are
200 and 1.01
200 and 10.01
200 and 100.1
200 and 200