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Which one of the following is correct? Energy of a power signal is | |
A. | finite [Wrong Answer] |
B. | zero [Wrong Answer] |
C. | infinite [Correct Answer] |
D. | between 1 and 2 [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 :
⇒ In TE_{10 }mode the largest electric field in a rectangular wave guide, occurs
along centre line of broad wall (i.e. x = a/2)
along the broad wall (i.e. x = 0 and x = a)
either (a) or (b)
neither (a) nor (b)
⇒ The power rating of radio transmitters is around
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10 W
10 kW
10 MW
⇒ Which of the following element has four valence electrons?
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⇒
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⇒ Figure shows an RC potentiometer to measure ac voltage. It is desired that V_{0}/V_{i} should be independent of frequency. The value of C should
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⇒ The power to the portable unit of a cordless telephone is provided by
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⇒ In TE_{10 }mode the largest electric field in a rectangular wave guide, occurs
along centre line of broad wall (i.e. x = a/2)
along the broad wall (i.e. x = 0 and x = a)
either (a) or (b)
neither (a) nor (b)
⇒ The power rating of radio transmitters is around
100 mW
10 W
10 kW
10 MW
⇒ Which of the following element has four valence electrons?
Silicon
Germanium
Both (a) and (b) above
None of the above
⇒ A carry look ahead adder is frequently used for addition because
it costs less
it is faster
it is more accurate
is uses fewer gates
⇒ In audio cassettes the width of each recording track is
5 mm
2.5 mm
1.5 mm
1 mm
⇒ In a ring counter for N clock pulses the scale for the counter is
N : 1
N : 2
N : 10
N : 100
⇒ Saturation region of a JFET is also known as
source region
analog region
pinch off region
ohmic region
⇒ An arrangement of several individual antennas to spaced and phased that their individual contributions combine in one preferred direction and cancel in all other directions, to get greater directive gain or directivity, is known as
directional radiation of antennas
antenna gain stability
array of antennas
none of the above
⇒ Four messages band limited to W, W, 2W and 3W respectively are to be multiplex using Time Division Multiplexing (TDM). The minimum bandwidth required for transmission of this TDM signal is
W
3W
6W
7W
⇒ The multivibrator circuit that has a typical application of converting sinusoidal input into a square wave output is
emitter coupled binary
Schmitt trigger
monoshot multivibrator
free-running multivibrator
⇒ Thermal noise has a power spectral density which is quite uniform upto frequencies in the order of
100 Hz
10^{6} Hz
10^{9} Hz
10^{13} Hz
⇒ For the minterm designation Y = ∑ m (1, 3, 5, 7) the complete expression is
Y = A BC + A B C
Y = A B C + A B C + ABC + A BC
Y = A B C + A B C + ABC + A BC
Y = A B C + ABC + A BC + A BC
⇒ Laplacian of a scalar function v is
gradient of v
divergence of v
gradient of the gradient of v
divergence of the gradient of v
⇒ Which of the following devices has two gates?
SCR
SCS
SUS
SBS
⇒ In an ac single phase energy meter, the potential coil is put on
both side limbs, of upper magnet
central limb of upper magnet
one side limb of upper magnet
either (a) or (b)
⇒ The maximum signal propagation time of a geosynchronous satellite transmission is about __________ millisecond.
540
270
135
1080
⇒ A series RC circuit has fixed R and C and variable f. The current locus will lie in the first quadrant.
TRUE
FALSE
⇒ A dynamometer wattmeter can be used for
dc only
ac only
dc and 50 Hz ac
dc and high frequency ac
⇒ Addition of a small amount of antimony to germanium will result in
formation of P-type semiconductor
more free electrons than holes in the semiconductor
antimony concentrating on the edges of the crystals
increased resistance
⇒ Modified Mc Murray full bridge inverter uses
4 thyristors and 2 diodes
4 thyristors and 4 diodes
8 thyristors and 4 diodes
8 thyristors and 8 diodes
⇒ The function (s + 2) (s + 4)/[(s + 1)(s + 3)]
is a reactance function
is an RC function
may be a reactance function or an RC function
may be RC function or an RL function
⇒ Generally the gain of a transistor amplifier falls at high frequencies due to the
internal capacitance of device
coupling capacitor at the I/P
skin effect
coupling capacitor at the O/P
⇒ A signal x(n) = sin(ω_{0}n + φ) is the input to a linear time invariant system having a frequency response H(e^{jω}) If the O/P of the system is Ax(n -n_{0}), then the general form of H(e^{jω}) will be
- n_{0}ω_{0} + β for any arbitrary real β
- n_{0}ω_{0} + 2pk for any arbitrary integer k
n_{0}ω_{0} + 2pk for any arbitrary integer k
- n_{0}ω_{0} + φ
⇒ An amplitude modulated signal occupies a frequency range from 395 kHz to 405 kHz. If can be demodulated by which of the following?
Using an envelope detector and filter
Multiplying with a 395 kHz local signal
Multiplying with a 405 kHz local signal
Low pass filtering with cut off at 400 kHz
⇒ Which of the following statement is correct?
FET and junction transistor both are unipolar
FET and junction transistor both are bipolar
The FET is bipolar, while junction transistor are unipolar
The FET is unipolar, while junction transistor are bipolar
⇒ A resistor of 10 kΩ has an rms noise voltage of 1 mV under a certain set of conditions. A resistor of 20 kΩ under the same conditions will have an rms noise voltage of
1 mV
2 mV
1.414 mV
4 mV
⇒
Assertion (A): In computers the data is stored in hexadecimal form
Reason (R): Hexadecimal representation is short as compared to binary representation.
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
⇒ Figure shows an RC potentiometer to measure ac voltage. It is desired that V_{0}/V_{i} should be independent of frequency. The value of C should
10 μF
11 μF
0.1 μF
0.09 μF
⇒ The unit for luminous energy is
lumens/sec
lumens/m^{2}
lumen-sec
lumen/m
⇒ The power to the portable unit of a cordless telephone is provided by
pencil cells
dry cells
rechargeable cells
AC mains