Question is ⇒ A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance, Options are ⇒ (A) increases, (B) decreases, (C) remains constant, (D) may increases or decreases, (E) , Leave your comments or Download question paper.

Question is ⇒ A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance, Options are ⇒ (A) increases, (B) decreases, (C) remains constant, (D) may increases or decreases, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance
A.	increases [Correct Answer]
B.	decreases [Wrong Answer]
C.	remains constant [Wrong Answer]
D.	may increases or decreases [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A 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 :

⇒ If antenna diameter is increased four times, the maximum range is increased by a factor of
2
2
4
0.2

⇒ If the target cross-section is changing, the best scanning system for accurate tracking is
lobe switching
monopulse
sequential lobing
conical scanning

⇒ An ac circuit has two branches in parallel. The impedances of the two branches are equal. The p.f. of one branch is 0.8 lagging and 0.8 leading. The overall p.f. is
zero
0.5 lagging
1
0.7 lagging

⇒ A series resonant circuit has parameters 10 ω, 1 H and 0.1 F. It is excited by a voltage v = 100 sin ωt. At resonant frequency, the power dissipated in the circuit is
1000 W
707 W
500 W
414.14 W

⇒ The temperature at which some materials become superconductors is called
Transition temperature
Curie temperature
Neel temperature
Onnes temperature

⇒ The fact that domains exhibits spontaneous magnetisation is
first hypothesis is of Curie
second hypothesis is of Weiss
Curie-Weiss law
Boltzmann's statistics

⇒

Assertion (A): A half cycle of sine wave can be expressed as sum of sine wave and another sine wave shifted by T/2 where T is the time period.

Reason (R): The function u(t - t₀) - u(t - t₀ - T) is a gate function occuring at t = t₀ and of duration T.

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

⇒ The number of tightly bound electrons in silicon atom are
14
10
6
4

⇒ Logic analyser is
a multichannel oscilloscope
similar to logic pulser
similar to current tracer
none of the above

⇒ Nichrome is used for
overhead line wires
heater coils
lamp filaments
all of the above

⇒ The pre-emphasis in FM aids in providing extra noise immunity by
emphasizing only the higher frequency components
emphasizing the entire frequency band
emphasizing only the lower frequency band
cutting down the low frequency noise

⇒ Find V_th in the cir
100 V
10 V
0 V
5 V

⇒ In a circular waveguide with radius r, the dominant mode is
TM₀₁
TE₀₁
TM₁₁
TE₁₁

⇒ The number of variables in a function is odd and the number of minterms with even number of 0's are same as the number of minterms with odd number at 1 's, the expression formed can be represented in __________ as well as __________ form.
exclusive - OR, NOR
equivalence, exclusive - OR
AND, coincidence
OR, exclusive - OR

⇒ If all bubbles are removed, what are the new RAM locati
(8000)_H - (83FF)_H
(80AA)_H - (80FF)_H
(FF00)_H - (FFFF)_H
none of the above

⇒ The resolution of a 4 bit counting ADC is 0.5 volts. For an analog input of 6.6 volts, the digital output of the ADC will be
1011
1101
1100
1110

⇒ Which of the following statements is correct?
Convex lens has positive focal power and concave lens have negative focal power
Convex lens has negative focal power and concave lens have positive focal power
All lens have positive focal power
All lens have negative focal power

⇒ 'Rotate instruction' in microprocessor belongs to
data transfer group
arithmetic group
logic group
branch group

⇒ Depth of penetration does not depend on frequency.
TRUE
FALSE

⇒ A JFET operates in ohmic region when
V_GS = 0
V_GS is less than pinch off voltage
V_GS = is Positive
V_GS = V_DS

⇒

Assertion (A): In digital communication data is coded prior to being transferred.

Reason (R): A number of codes for digital data processing are available.

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

⇒ The total inductance of two coils is 60 mH in series aiding connection and 40 mH in series opposing connection. The mutual inductance between coils is
20 mH
10 mH
5 mH
2.5 mH

⇒ With a variable reluctance tachometer having 60 rotor teeth the count reads 3600 counts per minute. The speed in RPM is
36
60
360
3600

⇒ Which of the following is taken as reference antenna for directive gain?
Half wave dipole
Elementary doublet
Isotropic
Infinitesimal dipole

⇒ Java variables are called
instance variables, class variables and global variables
instance variables, class variables and local variables
instance variables, class variables and sector variables
global variables, class variables and local variables

⇒ In a CRO, the time base signal is applied to
X plates
Y plates
either X or Y plates
alternately X and Y plates

⇒ In a centre tap full wave rectifier, 50 V is the peak voltage between the centre tap and one of the ends of the secondary. The maximum voltage across the reverse biased diode will be
100 V
72 V
50 V
38 V

⇒ A 16 x 8 ROM stores these words in its first four locations, as given below. Which of this represents 3 CH in hexadecimal?
R₀ = 1110 0010
R₁ = 0101 0111
R₂ = 0011 1100
R₃ = 1011 1111

⇒ Ferromagnetic materials
shows spontaneous magnetisation below a certain temperature
have resistivity very high as compared to that of iron
can be used even at microwave frequencies
all of the above

⇒ Ultra high frequency oscillators work in the range
20 Hz to 20 kHz
1 kHz to 30 kHz
30 kHz to 30 MHz
above 30 MHz