Question is ⇒ An RLC series circuit has R = 7.07 Ω, L = .707 H and C = 7.07 μF. At Half power frequencies the circuit impedance is likely to be, Options are ⇒ (A) 7.07 Ω, (B) 10 Ω, (C) 14.14 Ω, (D) 20 Ω, (E) , Leave your comments or Download question paper.

Question is ⇒ An RLC series circuit has R = 7.07 Ω, L = .707 H and C = 7.07 μF. At Half power frequencies the circuit impedance is likely to be, Options are ⇒ (A) 7.07 Ω, (B) 10 Ω, (C) 14.14 Ω, (D) 20 Ω, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	An RLC series circuit has R = 7.07 Ω, L = .707 H and C = 7.07 μF. At Half power frequencies the circuit impedance is likely to be
A.	7.07 Ω [Wrong Answer]
B.	10 Ω [Correct Answer]
C.	14.14 Ω [Wrong Answer]
D.	20 Ω [Wrong Answer]
View Answer 1 -4 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 :

⇒ In the circuit, the value of the voltage sour
-22 V
-12 V
+12 V
-10 V

⇒ Which of the following cannot be the Fourier series expansion of a periodic signal?
x(t) = 2 cos t + 3 cos 3t
x(t) = 2 cos pt + 7 cos t
x(t) = cos t + 0.5
x(t) = 2 cos 1.5pt + sin 3.5 pt

⇒ The input to an op-amp integrating amplifier is a constant voltage. The output will be
a constant voltage
a sawtooth wave
a ramp
ac voltage

⇒ Permeance is analogue to
reluctance
conductance
capacitance
resistance

⇒

Assertion (A): Inverters and choppers use fast switching thyristors

Reason (R): Fast switching SCR has low turn off time.

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

⇒ In 8086 the word address is
the address of the least significant byte
the address of most significant byte
either (a) or (b) depending on the word
neither (a) nor (b)

⇒ A 'n' bit sequence generator employing SR flip-flop has maximum length of the sequence as :
2ⁿ
n
2ⁿ - 1
2ⁿ^-1

⇒ Three point tracking is achieved with
double conversion
padder capacitor
double spotting
variable selectivity

⇒ In frequency modulation noise can be further reduced by
increasing deviation
reducing deviation
reducing carrier frequency
increasing signal amplitude

⇒ Start and stop bit do not contain any information but are used in serial communication for
error correction
error detection
synchronization
slowing down the communication

⇒ In van der walls crystals, there exists a high degree of stability of the outer electron shell.
TRUE
FALSE

⇒ Ferrite have
low copper loss
low eddy current loss
low resistivity
higher specific gravity compared to iron

⇒ A pulsed radar produces 1 μ sec pulses at a rate of 1000 per second. The duty cycle is
0.001
0.01
0.1
1

⇒ An RLC series circuit has R = 30 Ω, X_L = 30 Ω and X_C = 30 W. Its impedance is
30 ∠0°.
30 ∠45°
42.42 ∠45°
90 ∠45°.

⇒ In directional coupler of the given figure, the terms |S₁₄| and |S₂₃| of scattering matrix are ne
1 each
0.5 each
0.1 each
1 and 0.5 respectively

⇒

Assertion (A): The gain of an FET amplifier can be changed by changing g_m

Reason (R): Most receivers use automatic gain control to counteract changes in volume caused by fading

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

⇒ The minimum number of comparators required to build an 8 bit flash ADC is
8
63
255
256

⇒ RF choke used for suppressing interference in TV is generally
honey comb wound coil
iron core coil
single layer coil
multilayer coil

⇒ When a vector has positive divergence, it indicates that the vector quantity has at that point and if the divergence is negative, it indicates __________ .
source, sink
sink, source
positive value, negative value
negative value, positive value

⇒ A differential amplifier consists of two CB amplifiers.
TRUE
FALSE

⇒ Consider a baseband binary PAM receiver shown below. The additive channel noise n(t) is whit with power spectral density S_N(f) = N₀/2 = 10^-20 W/Hz. The low-pass filter is ideal with unity gain and cutoff frequency 1 MHz. Let Y_k represent the random variable y(t_k10¹⁰
10⁷
1.414 x 10^-10
2 x 10^-20

⇒ The eigen values of a skew symmetric matrix are
always zero
always pure imaginary
either zero or pure imaginary
always real

⇒ The IF bandwidth of a radar receiver is inversely proportional to
pulse interval
pulse width
PRF
none of the above

⇒ The time constant of a series RL circuit is
LR
L/R
R/L
e^-R/L

⇒ In following figure find V_GG by assuming gate current is negligible for the p-channel JFET. (if I_DQ = - 6 mA, R_S = 0, V_DD = -18 V, R_D = 2 kΩ, I_DSS = - 10 mA, I_PO = - 3 V)
0.67 V
6.7 V
7 V
0.3 V

⇒ In magnetic film memory, the memory element consits of
plated wires
superconductive material
nickel iron alloy
doped aluminium

⇒ In FM, increased depth of modulation increases
modulation
modulation index
bandwidth
all of the above

⇒ For a 4096 x 8 EPROM, the number of address lines is
14
12
10
8

⇒ The feedback control system shown in figure is stable for what values of K and
K < 0, T > - 1
K > 0, T > 0
K > 0, T > - 1
K < 0, T > 0

⇒ In Class C operation the collector current looks like
full sine wave
half sine wave
narrow pulses
nearly half sine wave

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math