Question is ⇒ In a series RLC circuit excited by e = Em sin ωt is seen that LC < 1/ω2. Then, Options are ⇒ (A) I lags E, (B) I leads E, (C) I leads E are in phase, (D) voltage across L and C are equal, (E) , Leave your comments or Download question paper.

Question is ⇒ In a series RLC circuit excited by e = Em sin ωt is seen that LC < 1/ω2. Then, Options are ⇒ (A) I lags E, (B) I leads E, (C) I leads E are in phase, (D) voltage across L and C are equal, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In a series RLC circuit excited by e = E_m sin ωt is seen that LC < 1/ω². Then
A.	I lags E [Wrong Answer]
B.	I leads E [Correct Answer]
C.	I leads E are in phase [Wrong Answer]
D.	voltage across L and C are equal [Wrong Answer]
View Answer 1 -3 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 :

⇒ Which of the following material can be used in cable shields?
Copper
Aluminium
Cast iron
Lead

⇒ FM broadcast lies in which band?
HF
SHF
UHF
VHF

⇒ The advantage of LVDT over inductive bridge type transducer is that
it gives high output for small changes in core position
it can be used over a temperature range of - 265°C to 600°C
it can measure displacement of moving object
the error due to stray magnetic field is less

⇒ Output of a phase splitter is
a pair of sine waves of unequal amplitude
a pair of sine waves of equal amplitudes
a pair of sine waves of equal amplitudes and opposite phase
a pair of sine waves of unequal amplitudes and opposite phase

⇒ A system with input x[n] and output y[n] is given as y[n] = (sin 5/6 pn) x(n) The system is
linear, stable and invertible
non-linear, stable and non-invertible
linear stable, non invertible
linear, unstable, invertible

⇒ In 8085 the address space size is
64 kbits
64 k bytes
32 kbits
16 k bytes

⇒ Eddy currents are essential for the deflecting torque of an induction wattmeter.
TRUE
FALSE

⇒ Which of the following are difficult to be fabricated in a monolithic IC?
Inductors
Large capacitors
Small capacitors
Both (a) and (b)

⇒

Assertion (A): Intrinsic resistivity of silicon is lower than that of germanium.

Reason (R): Magnitude of free electron concentration in germanium is more than that of silicon.

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

⇒ In a piezoelectric crystal, applications of a mechanical stress would produce
plastic deformation of the crystal
magnetic dipoles in the crystal
electrical polarization in the crystal
shift in the Fermi level

⇒ Consider the following statements.

Etching
Exposure to UV radiation
Stripping
Developing

After a wafer has been coated with photo resist the correct sequence of these steps in photolithography is
2, 4, 3, 1
2, 4, 1, 3
4, 2, 1, 3
3, 2, 3, 1

⇒

Assertion (A): An impulse has very high magnitude but very small duration.

Reason (R): A pulse function is always rectangular.

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true

⇒ In Z_RC (s) = 0 at s =∞, the last element in second Foster realization will be
R
C
R and C in series
R and C in parallel

⇒ Lines of magnetic field attract each other.
TRUE
FALSE

⇒

Assertion (A): Energy meters use induction principle.

Reason (R): Induction wattmeter is less accurate than a dynamometer wattmeter.

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

⇒ In an AM system, doubling of modulation index doubles the antenna current. The system is
single side band full carrier
vestigial side band
single side band suppressed carrier
double side band full carrier

⇒ In figure I_D = 4 mA. Then V_{S20 V
4.4 V
0.4 V
0.44 V}

⇒ A dc network has 3 independent nodes and 4 loops. In total analysis, the number of equations is
4
3
2
1

⇒ Which of the following statement regarding waveguides is incorrect?
At waveguide can be coupled to a coaxial cable
At frequencies below the cut off value the wave progresses across the waveguide after total reflections
Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves
Waveguides can handle large power at UHF and microwaves

⇒ A dc chopper is feeding an RLE load. The condition for maximum ripple is
a = 1
a = 0.8
a = 0.5
a < 0.5

⇒ In a practical current source, the load current
is always equal to source current
is always less than source current
is always equal to or less than source current
cannot be higher than source current

⇒ For attenuation of high frequencies we should use
shunt capacitance
series capacitance
inductance
resistance

⇒ A 4 : 1 multiplexer requires __________ data select line.
1
2
3
4

⇒ In figure, V_C is approximately equa
2 V
4.6 V
8 V
7.6 V

⇒ A horizontal output stage is cutoff for retrace and 40% of trace. If time for each horizontal line is 64 μs and retrace time is 12 μs, the transistor is conducting for about
64 μs
6.4 μs
31 μs
3.1 μs

⇒ The power rating of radio transmitters is around
100 mW
10 W
10 kW
10 MW

⇒ In C the keywords are also called
special words
reserved words
class words
character words

⇒ The equation D = ∈₀∈_r E refers only to isotropic materials.
TRUE
FALSE

⇒ If ROC of x[n] is R₁ then ROC of aⁿ x[n] is
R₁a
R₁/a
a/R₁
R₁ + a

⇒ In a 3 phase system, the zero sequence component of line to line voltages is zero
if line to line voltages are balanced
if line to line voltages are unbalanced
if line to line voltages are balanced or unbalanced
if degree of unbalanced in line to line voltages is small