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Assertion (A): A small section of high impedance line is equivalent to a series inductance. Reason (R): A small section of a low impedance line is equivalent to a series resistance. | |
A. | Both A and R are correct and R is correct explanation of A [Wrong Answer] |
B. | Both A and R are correct but R is not correct explanation of A [Wrong Answer] |
C. | A is correct but R is wrong [Correct Answer] |
D. | A is wrong but R is correct [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
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⇒ A basic group B
consists of five super groups
has a frequency range of 60 to 108 kHz
consists of erect channels only
is formed at group translating equipment
⇒ Maxterm designation for A + B + C is
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M_{1}
M_{3}
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⇒ A basic group B
consists of five super groups
has a frequency range of 60 to 108 kHz
consists of erect channels only
is formed at group translating equipment
⇒ Maxterm designation for A + B + C is
M_{0}
M_{1}
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TRUE
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⇒ The gate-source voltage that reduces the drain current to approximately zero is called
gate-source on voltage
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pinch-off voltage
gate-source cut-off voltage
⇒ Gauge factor of a strain gauge is
unit change in resistance per unit change in length
change in resistance per unit change in length
unit change in length per unit change in resistance
none of the above
⇒ In the switching circuit, switches A, B have value 0 for OFF, 1 for ON and the output Y has 0 volts for 1 volts, then the expression for
AB
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⇒ If we need a low noise device, we should use
BJT
FET
thyristor
UJT
⇒ Which of the following materials has the highest electrical conductivity?
Steel
Silver
Aluminium
Zinc
⇒ In asynchronous TDM, for n signal sources, each frame contains m slots, where m is usually
Less than n
2n
n
greater than 2n
⇒ In the given figure assume that initially Q = 1 with Clock Pulses being given, the subsequent states of Q wil
1, 0, 1, 0, 1......
0, 0, 0, 0, 0......
1, 1, 1, 1, 1......
0, 1, 0, 1, 0......
⇒ The manufacturing technique used to manufacture strip type transmission line is
photoetching technique
oxidation technique
cladding
epitaxial
⇒ For the circuit, let us assume that R = 1 Ω, L = 10^{-3} H, and V(t) = 10 cos (1000t + 30°)V and the differential equation for I(t) is give
7.07 cos (1000t + 15°) A
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⇒ If e = 10 sin(10^{8} t + 3 sin 10^{4} t) then modulating frequency is
159 Hz
1590 Hz
1.59 MHz
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⇒ In pulse width modulation of chopper
T is kept constant and T_{on} is varied
T_{on} is kept constant T is varied
both T and T_{on} are varied
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⇒ The total number of leads in SUS, SBS and SCS respectively are
3, 3, 4,
3, 3, 3
2, 3, 3
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⇒ Choose correct option
var (X + Y) = Var (X) + Var (Y)
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Both (a) and (b)
⇒ It is necessary to measure the amplitudes of two signals and also the phase difference between them. This can be done by using a
phase meter
waveform meter
vector voltmeter
digital voltmeter
⇒ A circuit using an op-amp is shown in the given figure. It
voltage series feedback
voltage shunt feedback
current shunt feedback
current series feedback
⇒ In following figure, what will be R_{1} and R_{2} for maximum symmetrical swing if V_{CSat} ≈ 0. Given that R_{E} = 200 Ω, R_{C} = 400 Ω, V_{CC} = 20 V, β
6 k
3 k, 6 k
9.9 k, 2.4 k
2.4 k, 9.9 k
⇒ A transmission line has primary constants R, L, G and C and secondary constant z_{0} and γ = (a + Jβ). If the line is loss less, then
R = 0, G ≠ 0, and a = 0
R = 0, G = a, 0 and β = |r|
G = 0, a = β
R = 0, G = 0, a = 0, β = |r|
⇒ In a bipolar junction transistor the base region is made very thin so that
recombination in base region is minimum
electric field gradient in base is high
base can be easily fabricated
base can be easily biased
⇒ If a capacitor is charged by a square wave current source the voltage across the capacitor is
triangular wave
step function
zero
square wave
⇒ For a second order instrument, the optimum range of ξ (damping ratio), which gives good frequency response over a wide range of frequencies is
0.5 to 0.6
0.6 to 0.7
0.7 to 0.8
0.8 to 1.0
⇒ Pressing a key on telephone set generates two frequencies. The basis for selection of these frequencies is
the harmonics of one frequency should not be mistaken for the other frequency
the audio input to the handset transmitter should not be mistaken for a key pressing
both (a) and (b)
neither (a) nor (b)
⇒ In a class C operation V_{CC} = 30 V and V_{CE(sat)} = 2 V. The efficiency is
0.9375
0.88
0.0666
0.0333
⇒ At a temperature of 7 K, lead is a superconductor.
TRUE
FALSE
⇒ Thermistors are made of
pure metals
pure insulators
tintered mixture of metallic oxides
pure semiconductors
⇒ A copper coil has a resistance of 40 ohm at 20°C. At 100°C the resistance is likely to be
44 Ω
54 Ω
84 Ω
104 Ω