Question is ⇒ A pulse transformer uses, Options are ⇒ (A) ferrite core, (B) air core, (C) iron core, (D) copper core, (E) , Leave your comments or Download question paper.

Question is ⇒ A pulse transformer uses, Options are ⇒ (A) ferrite core, (B) air core, (C) iron core, (D) copper core, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A pulse transformer uses
A.	ferrite core [Correct Answer]
B.	air core [Wrong Answer]
C.	iron core [Wrong Answer]
D.	copper core [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 :

⇒ The absorption of radio waves by atmosphere depends on
their frequency
their distance from the transmitter
the polarization of atmosphere
the polarization of the waves

⇒ Which of the following is a valid real variable in FORTRAN 77?
KPR
LINE
JOB
RATE

⇒ Which memory does not require programming equipment?
RAM
EPROM
EEPROM
UVPROM

⇒ In a high frequency coaxial line and the length of line characteristic impedance is a function of
properties of insulating material only
inner and outer conductor radius only
both (a) and (b)
neither (a) nor (b)

⇒

Assertion (A): Impulse function is an important function in network analysis.

Reason (R): Convolution integral enables us to find the response of a network to an arbitary input in terms of the impulse response.

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

⇒ Consider the following statements about a magic tee

The collinear arms are isolated from each other.
On of the collinear arms is isolated from E arm.
On of the collinear arms is isolated from H arm.
E and H arms are isolated from each other.

Of the above statements
1 and 2 are correct
1 and 3 are correct
1 and 4 are correct
2 and 3 are correct

⇒ Which of the following are true for magic tee in the given figure select the answer as per given c
1, 2 and 3
1, 2 and 4
2, 3 and 4
1, 3 and 4

⇒ 11011 in gray code = __________ .
10010₂
11111₂
11100₂
10001₂

⇒ In the circuit shown in figure, maximum power will be transferred
Z_L = 13 - j 9
Z_L = 13 + j 9
Z_L = 9 - j 13
Z_L = 9 + j 13

⇒ In Class C operation the collector current looks like
full sine wave
half sine wave
narrow pulses
nearly half sine wave

⇒ The typical squelch circuit
cuts off IF amplifier when AGC is minimum
cuts off IF amplifier when AGC is maximum
cuts off audio amplifier when carrier is absent
eliminates RF interference when signal is weak

⇒

Match the following:

	List I		List II
A.	h_ie	1.	49
B.	h_re	2.	25 x 10^-6siemens
C.	h_fe	3.	2.4 x 10^-4
D.	h_oe	4.	1000 ohms

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

⇒ Which of the following is not a travelling wave?
e = E_m sin (βx - ωt)
e = E_m cos (βx - ωt)
e = E_m sin (ωt - βx)
e = E_m sin (βx)

⇒ In 8085 microprocessor, what is the length of SP (stack) pointer?
6 bits
8 bits
12 bits
16 bits

⇒ Which of the following buses does not exist in 8085?
Data bus
Address bus
Control bus
Exchange bus

⇒ Armstrong F.M. transmitter performs frequency multiplication in stages
to increase the overall S/N
for convenience
to reduce the bandwidth
to find the desired value of carrier frequency with frequency deviation

⇒ When satellite radio beam is aimed towards earth, it illuminates on the earth for an oval shaped area called
foot print
beam area
satellite service area
radiated area

⇒ Typical value of reverse current in a semiconductor diode is
0.0416666666666667
0.1 A
1 μA
0.1 μA

⇒ Multiple member of antennas are arranged in arrays in order to enhance what property?
Both directivity and bandwidth
Only directivity
Only bandwidth
Neither directivity nor bandwidth

⇒ Auto correlation function
is an even function of t
is an odd function of t
may be an even or odd function of t
is both an odd and even function of t

⇒ In a TV receiver antenna the length of reflector rod
is the same as that of dipole
is less than that of dipole
is more than that of dipole
may be equal, more or less than that of dipole

⇒ One of the major applications of JFET is in
switching
constant current-source
constant voltage-source
electron flow regulation

⇒ Which of the following transducers is most suitable for monitoring continuous variations in very fine thickness of a material?
Diaphragm
Capacitor
L.V.D.T.
Piezoelectric crystal.

⇒ For matrix A, A^-1 A = 1
TRUE
FALSE

⇒ In the given figure, of potentiometer V₀ = V_i (R₀/R_i) only
R_L = 0
R_L = ∞
R_L is neither low nor high
R_L is low but not zero

⇒ A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be
correlated
statistically independent
uncorrelated
orthogonal

⇒ As compared to LED, LASER has

higher emission efficiency
no tuning arrangement
narrow spectral width
provision for confinement

Of these statements
1, 2, 3 are correct
1, 2, 4 are correct
1 and 3 are correct
1, 3, 4 are correct

⇒ Reluctivity is analogous to
permeability
conductivity
resistivity
retentivity

⇒ In the circuit of the given figure,
0
1
X
X

⇒ The theoretical maximum efficiency of a half wave diode rectifier is
0.406
0.5
0.812
slightly less than 100%