Question is ⇒ In the periodic train of rectangular pulses F0 = (V0/T)d, Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper.

Question is ⇒ In the periodic train of rectangular pulses F0 = (V0/T)d, Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In the periodic train of rectangular pulses F₀ = (V₀/T)d
A.	TRUE [Correct Answer]
B.	FALSE [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A 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 :

⇒ Most of the transistor data sheets specify the power rating for an ambient temperature of
10°C
25°C
50°C
75°C

⇒ The constant M loci on G(s) plane are a family of circles.
TRUE
FALSE

⇒ For the infix expression (A/B) * (C * F + (A - D) * E) the corresponding Post fix notation is
A / D * CF AD - F * +
AB / CF * AD - E * + *
AB / C * FAD - E * + *
None of the above

⇒ In a practical oscillator, the magnitude of loop gain Aβ is kept slightly larger than unity and the amplitude of oscillations is limited by
the ratio of A to β
the on set of non-linearity of amplifying device
the linearity of amplifying device
all of the above

⇒ Poles and zeros of a driving point function of a network are simple and alternate on jω axis. The network consists of
R and C
L and C
R and L
R, L and C

⇒ Television transmission is by
ground waves
sky waves
space waves
all of the above

⇒ The circuit of figure is ca
current mirror
voltage mirror
impedance inversion
phase splitting

⇒ The static characteristic of an adequately forward biased p-n junction is a straight line if the plot is of
log I vs log V
log I vs V
I vs log V
I vs V

⇒ In a synchro transmitter-control transformer, the voltage induced in rotor winding of control transformer is zero when the angular displacement between rotors of transmitter and transformer is
0°
90°
180°
either (a) or (c)

⇒ At resonance, the parallel circuit constituted by an iron-cored coil and a capacitor behaves
open circuit
short circuit
pure resistor of value R
pure resistor of value much higher than R

⇒ Which one of the following statements regarding DSI is wrong?
It is a digital form of TASI
Though it is more efficient than TASI, it is much slower
A speaker has to wait (it at all) for only a few milliseconds for reallocation of channel
It has increased the capacity of satellite channels by a factor of 2.2 or more with out degrading speech quality

⇒

Match the following:

	List I		List II
A.	Ratio of maximum energy stored to energy dissipated per cycle	1.	Propagation constant
B.	TEM mode is loss less medium	2.	Cutoff frequency is zero
C.	Ratio of frequency in radian to phase velocity of EM wave	3.	Quality factor of cavity
D.	TEM is the mode of lowest cutoff frequency	4.	Cylindrical waveguide

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

⇒ A 300 Hz sound wave of intensity 20 dB is transmitted by a 1500 kHz radio wave by frequency modulation. It is seen that instantaneous frequency varies between 1500.2 kHz and 1499.8 kHz, 300 times a second. If the intensity of sound wave is 100 dB.
The instantaneous frequency variations will be between 1500.2 and 1499.8 kHz, 1500 times a second
The instantaneous frequency variations will be between 1501 and 1499 kHz, 1500 times a second
The instantaneous frequency variations will be between 1501 and 1499 kHz, 300 times a second
The instantaneous frequency variations will be between 1501 and 1499 kHz, 60 times a second

⇒ Stray capacitance is important at low frequencies.
TRUE
FALSE

⇒ The advantage of FET over BJT is
high input impedance
lower noise
no thermal runaway
all of the above

⇒ An SR flip flop can be built using NOR gates or NAND gates.
TRUE
FALSE

⇒ A multivibrator generates
sinusoidal waveforms
non-sinusoidal waveforms
both (a) and (b)
none of the above

⇒ The 2732 is 4096 x 8 EPROM. How many address lines does it have?
12
24
50
100

⇒

Assertion (A): A series RLC circuit resonates when excited by variable frequency source.

Reason (R): Resonant frequency is geometric mean of half power frequencies.

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

⇒ The diffusion current is proportional to
applied electric field
concentration gradient of charge carrier
square of the electric field
cube of the applied electric field

⇒ In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. In receivers operating upto the limit of shortwave broadcasting the local oscillator often used is
Armstrong oscillator
Colpitts oscillator
Clapp oscillator
Ultra Audio oscillator

⇒ A semiconductor diode is biased in forward direction and carrying current I. The current due to holes in p material is
I
0
less than I
0.5

⇒ Which of the following amplifiers has a voltage gain of less than 1?
CE
CC
CB
CE or CB

⇒

Assertion (A): For networks in figure (1) and (2) sum of products of branch voltages and branch currents at any time is zero.

Reason (R): The networks in figure (1) and (2) are not the same structura
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

⇒ Which of the following are included in the architecture of computer?

Select the correct answer using the codes given below:
1 and 2
2 and 3
1 and 3
1, 2 and 3

⇒ S is closed for a long time and steady state is reached. S is opened at t(0^-). The voltage marked V is V₀ at t = 0⁺ and V_f at t = ∞. Then value of V₀ and V_f are respecti
8, 8
0, 1
4, 0
4, 8

⇒

Assertion (A): Static RAMS are used where speed of operation is of primary concern.

Reason (R): Dynamic RAM has lower cost per bit than static RAM.

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 R is wrong
A is wrong R is correct

⇒ Consider the following rectifier circuits :

half-wave rectifier without filter
full-wave rectifier without filter
full-wave rectifier with series inductance filter
full-wave rectifier with capacitance filter.

The sequence of these rectifier circuits in decreasing order of their ripple factor is
1, 2, 3, 4
3, 4, 1, 2
1, 4, 3, 2
3, 2, 1, 4

⇒ Which one of the following is an indirect way of generating FM?
Armstrong modulator
Varactor diode modulator
Reactance FET modulator
Reactance bipolar transistor modulator

⇒ Piezoelectric effect can be used to measure
force
strain
acceleration
all of the above