Question is ⇒ The sum of two or more arbitrary sinusoidal is, Options are ⇒ (A) always periodic, (B) periodic under certain conditions, (C) never periodic, (D) periodic only if all the sinusoidals are identical in frequency and phase, (E) , Leave your comments or Download question paper.

Question is ⇒ The sum of two or more arbitrary sinusoidal is, Options are ⇒ (A) always periodic, (B) periodic under certain conditions, (C) never periodic, (D) periodic only if all the sinusoidals are identical in frequency and phase, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The sum of two or more arbitrary sinusoidal is
A.	always periodic [Wrong Answer]
B.	periodic under certain conditions [Wrong Answer]
C.	never periodic [Wrong Answer]
D.	periodic only if all the sinusoidals are identical in frequency and phase [Correct Answer]
View Answer 3 -6 Explanation:- Answer : D 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 :

⇒ In 8085 microprocessor, an interrupt service request is serviced
immediately on receipt of request
after the execution of the current instruction is completed
at the end of the current machine cycle
none

⇒ In the given circuit, viewed from AB, the circuit can be reduced to an equivalent circui
5 volts source in series with 10 Ω resistor
7 volts source in series with 2.4 Ω resistor
15 volts source in series with 2.4 Ω resistor
1 volt source in series with 10 Ω resistor

⇒ An astable multivibrator circuit using IC 555 timer is shown below. Assume that the circuit is oscillating stea
3 V to 5 V
3 V to 6 V
3.6 V to 6 V
3.6 V to 5 V

⇒ A Weinbridge oscillator is a
VHF oscillator
RF oscillator
microwave oscillator
audio frequency oscillator

⇒

Assertion (A): A p-n junction has high resistance in reverse direction.

Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases.

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

⇒ MOSFET can be used as a
current controlled capacitor
voltage controlled capacitor
current controlled inductor
voltage controlled inductor

⇒ A function will have only sine terms if
f(t) = - f(t)
f(-t) = f(t)
f(-t) = -f(t)
none of the above

⇒ A Darlington circuit is obtained by connecting
two CB stages in cascade
two CE stages in cascade
a CE stages followed by CB stage
two emitter follower in cascade

⇒ The V_TH at terminals A and B is equa
0 V
5 V
-5 V
none

⇒

Match the following:

	List I (Bits operator in C)		List II (Meaning)
A.	˜	1.	Bitwise XOR
B.	&	2.	Bitwise AND
C.	\|	3.	Bitwise OR
D.	U	4.	One's complement

A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-2, B-3, C-1, D-4
A-4, B-2, C-3, D-1

⇒ A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with e_r = 15. The reflection coefficient for normal incidence is
0.6 ∠0°
1 ∠0°
0.6 ∠180°
1.2 ∠180°

⇒ Which of these are two state devices?
Lamp
Punched card
Magnetic tape
All of the above

⇒ In 8085 microprocessor, which of the following is not vectored interrupt?
RST 5.5
RST 6.5
RST 7.5
INTR

⇒ The quantum numbers associated with electron motion are designed as
a, b, c
h, k, l
n, m, l
h, n, l

⇒ In a four variable K map eight adjacent cells give
single variable term
two variable term
three variable term
four variable term

⇒ An FM transmitter has maximum frequency deviation of 75 kHz and reproduces audio signals up to 15 kHz. Minimum channel width required is __________ kHz.
180
120
90
60

⇒ SCR turns of from conducting state to blocking state on
reducing gate current
reversing gate voltage
reducing anode current below holding current value
applying ac to the gate

⇒ A JK flip flop has t_pd= 12 ns. The largest modulus of a ripple counter using these flip flops and operating at 10 MHz is
16
64
128
256

⇒ In a low power factor wattmeter, compensation for pressure coil current is provided.
TRUE
FALSE

⇒ The depletion layer width of Junction
decreases with light doping
is independent of applied voltage
is increased under reverse bias
increases with heavy doping

⇒

Assertion (A): Radar gave birth to microwave technology.

Reason (R): In radar systems very high frequencies give the most accurate results.

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

⇒

Assertion (A): Both sodium and ferrous are ferromagnetic.

Reason (R): Both sodium and ferrous have body centred cubic structure.

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 TV transmitter, visual exciter may consist of

Video processing unit
Visual modulator
VSB filter
Delay equaliser
Frequency converter

Which of the above are actually a part of visual exciter?
1, 2 and 3
2, 3 and 4
1, 2, 3 and 4
1, 2, 3, 4 and 5

⇒ The discone antenna is
a useful direction finding antenna
used as a radar receiving antenna
useful as a UHF receiving antenna
circular polarized like other circularly antenna

⇒ Which of the following is present in both TRF receiver and superheterodyne receiver?
Detector
Mixer
IF amplifier
Local oscillator

⇒ To produce magnetic flux, mmf is necessary.
TRUE
FALSE

⇒ A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is
100
99
1.01
0.99

⇒ Which statement out of the following statement is wrong?
Attenuation of satellite signals by rain and fog varies almost inversely with the angle of elevation
At 12/4, GHz link frequencies, signal power loss due to rain and fog is much greater than at 4/6 GHz frequencies
The distance between satellite and Earth station varies slightly with angle of elevation
At present 4/6 GHz geostationary satellites are being parked in geosynchronous, orbits at least 10° apart

⇒

Assertion (A): Silicon is preferred over germanium in manufacture of semiconductor devices.

Reason (R): Forbidden gap in silicon is more than that in germanium.

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

⇒ Phase velocity of waves propagating in a hollow metal waveguide is
greater than the group velocity
less than the velocity of light in free space
equal to the velocity of light in free space
equal to group velocity