Question is ⇒ In a cable with ∈r = 4, the wave velocity is, Options are ⇒ (A) 3 x 108 m/s, (B) 0.75 x 108 m/s, (C) 1.5 x 108 m/s, (D) 108 m/s, (E) , Leave your comments or Download question paper.

Question is ⇒ In a cable with ∈r = 4, the wave velocity is, Options are ⇒ (A) 3 x 108 m/s, (B) 0.75 x 108 m/s, (C) 1.5 x 108 m/s, (D) 108 m/s, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In a cable with ∈_r = 4, the wave velocity is
A.	3 x 10⁸ m/s [Wrong Answer]
B.	0.75 x 10⁸ m/s [Wrong Answer]
C.	1.5 x 10⁸ m/s [Correct Answer]
D.	10⁸ m/s [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 :

⇒ If σ standard deviation, probable error
σ
± 1.19 σ
± 0.6745 σ
± 0.4125 σ

⇒ To neglect a current source the terminals across the source are
replaced by some resistance
replaced by capacitance
open-circuited
short-circuited

⇒ The storage capacity of DSDD disk and DSHD disk are
1.2 MB each
360 KB each
1.2 MB and 360 KB respectively
360 KB and 1.2 MB respectively

⇒ If the frequency is less than the damped frequency in a series- inverter
the distortion of output voltage waveform is low
the distortion of output voltage waveform is high
the distortion of output voltage may be high or low depending on the load impedance
none of the above

⇒ A number given in binary as 0101.01 is to be scaled up 4 times. The scaled up binary is
10101
1.0101
404.04
10.101

⇒ In a Karnaugh map for an expression having 'don't care terms' the don't cares can be treated as
0
1
1 or 0
none of the above

⇒ In the circuit of figure, the switch is closed at t = 0. At t = 0⁺ the current through
0.166666666666667
2.5 A
3.1 A
0

⇒ Spontaneous magnetisation is characteristic of ferromagnetic materials.
TRUE
FALSE

⇒ Which of the following is a passive component?
Semiconductor devices
Vacuum tube devices
Capacitors
All of the above

⇒

Assertion (A): Demodulation of SSB and AM signals is exactly similar

Reason (R): The basic SSB demodulation device is product detector.

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

⇒ A rectangular waveguide measures 3 x 4.5 cm internally and has a 10 GHz signal propagated in it. Calculate the guide wavelength for dominant mode.
13.5 m
3 m
88/3 m
3/88 m

⇒ The geostationary communication satellite APPLE is parked in the equatorial orbit at
102° E longitude over Sumatra
90° E longitude over Bangladesh
74° E longitude over India
67° E longitude over Pakistan

⇒ Time delay of a TTL standard family is about
180 ns
50 ns
18 ns
3 ns

⇒ A pulse width signal can be governed by
free running multi-vibrator
monostable multi-vibrator
Schmitt trigger
JK flip-flop

⇒ When a vector has positive divergence, it indicates that the vector quantity has at that point and if the divergence is negative, it indicates __________ .
source, sink
sink, source
positive value, negative value
negative value, positive value

⇒ Which of the following statements defines a full adder?
It adds two binary digits and produces their SUM and CARRY
It adds three inputs (two binary digits and a carry) and produces their SUM and CARRY
It has two inputs and two outputs
None of the above

⇒ In Bode plots the frequency at which two asymptotes meet is called corner frequency.
TRUE
FALSE

⇒ The current wave shown in figure is applied by a 0.1 F capacitor at t = 0. At t = 0⁺, the voltage across capacito
0
4 V
10 V
20 V

⇒ The voltage at which Avalanche occurs is known as
cut in voltage
barrier voltage
breakdown voltage
depletion voltage

⇒ For attenuation of high frequencies we should use
shunt capacitance
series capacitance
inductance
resistance

⇒ In 8086 the number of bytes which can be addressed directly is about
1000
10000
100000
one million

⇒ In figure, the short circuit current through terminal AB wil
0.125
1.5 A
0.0833333333333333
0.0416666666666667

⇒ Dielectric constant, under the condition of alternating fields, is a complex quantity.
TRUE
FALSE

⇒ 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

⇒

Assertion (A): A slight change in pole-zero configuration can cause only minor changes in root locus configuration.

Reason (R): Asymptotes show the behaviour of root loci for |s| >> 1

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
R is correct but A is wrong

⇒ The ac bridge in figure is balanced. Z₁ = 100∠30°, Z₂ = 150∠0°, Z₃ = 250∠ - 40° Then Z_{4375∠70° Ω
375∠ - 70° Ω
150∠0° Ω
150∠20° Ω}

⇒ In a single phase full wave ac regulator, the firing angles in the two half cycles
are always equal
are sometimes equal
are never equal
may be equal or unequal

⇒ Gain of an antenna with a circular aperture of diameter 4 meter at frequency of 10 GHz, with directivity 60
60
100
30
90

⇒ In 8085, the instruction CMA is an example of
Implict addressing
Direct addressing
Register addressing
Immediate addressing

⇒ A scheme shown below is to generate a wide band FM modulate sign
88 MHz, 112 MHz
96 MHz, 104 MHz
92 MHz, 108 MHz
90 MHz, 110 MHz