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Gain of isotropic antenna is | |
A. | 10 dB [Correct Answer] |
B. | 0 dB [Wrong Answer] |
C. | ∞ [Wrong Answer] |
D. | 1 dB [Wrong Answer] |
View Answer
Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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Demultiplexer
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⇒ When a dc chopper feeds an RLE load, the load current, during steady state operation
remains constant
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may remain constant or vary
is constant if R is constant
⇒ The modulation index is, if f_{m} = 500 Hz, Δf = 2.25 kHz
2.25
4.5
9
18
⇒ In an ac circuit, the maximum and minimum values of power factor can be
2 and 0
1 and 0
0 and -1
1 and -1
⇒ Which one most appropriate dynamic system?
y(n) + y(n - 1) + y(n + 1)
y(n) + y(n - 1)
y(n) = x(n)
y(n) + y(n - 1) + y(n + 3) = 0
⇒ Spontaneous magnetisation is characteristic of ferromagnetic materials.
TRUE
FALSE
⇒ In 8085 microprocessor, what is the memory word addressing capability?
32 K
64 K
256 K
512 K
⇒ The ripple factor of power supply is a measure of
its filter efficiency
diode rating
its voltage regulation
purity of power output
⇒ In figure, the switch S is initially open and steady state conditions are reached. At t = 0 switch is closed. The initial current through 2C capacito
zero
0.0416666666666667
0.0833333333333333
0.125
⇒ The diameter and thickness of CD are
6 cm and 1.2 mm
6 cm and 0.6 mm
12 cm and 0.6 mm
12 cm and 1.2 mm
⇒ The minimum step size required for a Delta modulator operating at 36 samples/sec to track the signal (here u(t) is the unit step function) x(t) = 125t (u(t) - u(t - 1)) + (250 - 125t) (u(t - 1) - u(t - 2)) So that slope overload is avoided, would be
2^{-10}
2^{-8}
2^{-6}
2^{-4}
⇒ A single phase half wave rectifier circuit has a free wheeling diode. The free wheeling diode will conduct only if
load is purely resistive
load is purely inductive
load is combination of R and L
load is purely inductive or combination of R and L
⇒ The mass of proton and electron are
1.672 x 10^{-26} kg and 9.107 x 10^{-31} kg respectively
9.107 x 10^{-26} kg and 9.107 x 10^{-31} kg respectively
9.107 x 10^{-29} kg and 9.107 x 10^{-31} kg respectively
9.107 x 10^{-30} kg and 9.107 x 10^{-31} kg respectively
⇒ Consider the voltage transfer characteristic of a standard CMOS inve
NMOS and PMOS triode
Both are saturation
NMOS saturated PMOS linear
None of these
⇒ The coil of a DArsonval galvanometer has N turns. If flux density is B, current is I and area of coil is A, the deflecting torque is
NBI/A
NBIA
NIA/B
N^{2}IAB
⇒ The boolean expression for shaded area in the given figur
AB + AC
ABC + ABC
ABC + ABC
None of these