Question is ⇒ In the above case if the modulating frequency is increased to 20 kHz the bandwidth will be, Options are ⇒ (A) 0.05 MHz, (B) 1 MHz, (C) 2 MHz, (D) 4 MHz, (E) , Leave your comments or Download question paper.

Question is ⇒ In the above case if the modulating frequency is increased to 20 kHz the bandwidth will be, Options are ⇒ (A) 0.05 MHz, (B) 1 MHz, (C) 2 MHz, (D) 4 MHz, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In the above case if the modulating frequency is increased to 20 kHz the bandwidth will be
A.	0.05 MHz [Wrong Answer]
B.	1 MHz [Wrong Answer]
C.	2 MHz [Correct Answer]
D.	4 MHz [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C 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 :

⇒ At a given probability of error, binary coherent FSK is interior to binary coherent PSK by
6 dB
3 dB
2 dB
0 dB

⇒ In the television system in India, each frame is scanned
100 times
50 times
20 times
10 times

⇒ The knee voltages in silicon and germanium diodes respectively are
0.3 V and 0.7 V
0.7 V and 0.3 V
0.7 V each
0.3 V each

⇒

Assertion (A): A high density IC has more diodes, transistors and resistors per unit surface area.

Reason (R): A high density IC can handle high voltages.

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

⇒ In figure V_{011 V_i
10 V_i
V_i
0}

⇒ How many maximum number of functions can be defined with two symbols which are Boolean in nature:
4
8
2
16

⇒ If a_ac for transistor is 0.98 then β_ac is equal to
51
49
47
45

⇒ The number of roots of s³ + 2s² + 7s + 3 = 0 in the left half of the s-plane is :
zero
one
two
three

⇒ For representing two sinusoidal voltages on a phasor diagram
Both voltages must be of the same frequency
Both voltages must be sinusoidal but may be of different frequencies
One of the voltages must be of 50 Hz
The frequency of one must be integral of that of other

⇒ In voltage amplifiers, the load resistance
should be a small as possible
should be as large as possible
must be equal to output impedance
must be half of output impedance

⇒ Which amplifier will be preferred for highest gain?
Darlington's pair
Single stage amplifier
Cascade amplifier
Depends on the circuitry

⇒ The curve representing Ohm's law is
linear
a parabola
a hyperbola
sine function

⇒ Two ammeters A and B are connected in parallel in a circuit carrying 100 A. Their resistances are 0.8 mΩ. Their readings will be.
55.56 and 44.44 A respectively
44.44 A and 55.56 A respectively
60 A and 40 A respectively
40 A and 60 A respectively

⇒ In an electrochemical process the mass of material deposited at an electrode is proportional to
time for which current is passed
magnitude of current
electric charge through the electrolyte
none of the above

⇒ Nyquist plot provides information about absolute stability as well as relative stability.
TRUE
FALSE

⇒ Examine the circuit of figure and the following statem
1, 2, 3
1, 2
1 only
2 and 3

⇒ In figure, the current through 10 V batter
0
0.5 A charging
0.5 A discharging
none of the above

⇒ Which control action is also called rate control?
Proportional
Derivative
Integral
Proportional plus integral

⇒ The average load current supplied by a thyristor depends on
firing angle
firing frequency
magnitude of gate current
all of the above

⇒ In the circuit of figure, the power consumed in resistance R is measured when one source is acting at one time. These values are 18 W, 50 W and 98 W. When all source act together the maximum and minimum power ca
98 W and 18 W
166 W and 18 W
450 W and 2 W
166 W and 2 W

⇒ When a line of any odd multiple of a quarter wavelength is short-circuited it represents
unit impedance
infinite impedance
zero impedance
none of the above

⇒ The upper and lower side frequencies for 3 kHz audio modulation with a 27 MHz carrier frequency will be
30 and 24 MHz
27.3 and 26.7 MHz
27.3 and 26.97 MHz
27.3 and 26.97 MHz

⇒ The sensitivity of human eyes is maximum at
white portion of spectrum
green portion of spectrum
red portion of spectrum
violet portion of spectrum

⇒

Assertion (A): The dual of a circuit can be drawn by window-dot method.

Reason (R): The principle of duality is of great help in circuit analysis.

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

⇒ In 8085
P flag is set when the result has even parity
P flag is set when the result has odd parity
P flag is reset when the result has odd parity
P flag is reset when the result has even parity

⇒ A capacitor having capacitance C is raised to voltage V. The energy stored will be
CV²
V²/C
0.5 V²C
0.5 C²V

⇒ Bandwidth of an antenna is related with where Q is quality factor
Q ∝ B
Q ∝ 1/B
Q ∝ B²
Q ∝ 1/B²

⇒ Frequency band used for radar is generally
VLF
VHF
UHF
EHF

⇒ In the circuit of figure the switch is closed at t = 0, At t = 0⁺ this current through inductanc
0
0.416666666666667
6.67 A
5.1 A

⇒ Chrome signals in PAL colour television system consist of
R - Y and B - Y signal
V and U signals
I and Q signals
R - Y and G - Y signals