Question is ⇒ A rectangular waveguide has a discontinuity in the form of reduced narrow dimension. In the equivalent circuit this discontinuity can be represented by, Options are ⇒ (A) a shunt capacitance at the discontinuity, (B) a shunt inductance at the discontinuity, (C) a shunt resistance at the discontinuity, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ A rectangular waveguide has a discontinuity in the form of reduced narrow dimension. In the equivalent circuit this discontinuity can be represented by, Options are ⇒ (A) a shunt capacitance at the discontinuity, (B) a shunt inductance at the discontinuity, (C) a shunt resistance at the discontinuity, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A rectangular waveguide has a discontinuity in the form of reduced narrow dimension. In the equivalent circuit this discontinuity can be represented by
A.	a shunt capacitance at the discontinuity [Correct Answer]
B.	a shunt inductance at the discontinuity [Wrong Answer]
C.	a shunt resistance at the discontinuity [Wrong Answer]
D.	none of the above [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 :

⇒ An input voltage V(t) = 10 2 cos (t + 10°) + 10 3 cos (2t + 10°)V is applied to a series combination of resistance R = 1 kΩ inductance L = 1H. The resulting steady-state current i(t) in ampere is
10 cos (t + 55°) + 10 cos (2t + 10° tan^-12)
10 cos (t + 55°) + 103/2 cos (2t + 55°)
10 cos (t - 35) + 10 cos (2t + 10° - tan^-12)
10 cos (t - 35) + 103/2 cos (2t + 35°)

⇒ In a uniformly doped BJT, assume that N_E, N_B and N_C are the emitter, base and collector dopings in atoms/cm³, respectively. If the emitter injection efficiency of the BJT is close unity, which one of the following conditions is TRUE?
N_E = N_B = N_C
N_E >> N_B and N_B > N_C
N_E = N_B and N_B < N_C
N_E < N_B < N_C

⇒ Which memory requires periodic recharging?
All ROMS
All RAMS
Static RAM
Dynamic RAM

⇒ In figure the phase
will be 90° at ω = 0 and 0° at ω = ∞
will be 0° at ω = 0 and 90° at ω = ∞
will be 45° at ω = 0 and 0° at ω = ∞
will be 45° at ω = 0 and 90° at ω = ∞

⇒

Assertion (A): Conductors do not permit propagation of waves more than a short distance into the conductor at microwave frequencies.

Reason (R): The relaxation time constant for conductors is much small than the period of centimetric EM wave.

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

⇒ A high level language is less efficient than machine language.
TRUE
FALSE

⇒ The beam of a radar should be
very narrow
very wide
neither too narrow nor very wide
either (b) or (c)

⇒ Determine the voltage V_CB in the circuit bel
3.4 V
5.4 V
7.4 V
9.4 V

⇒ Which of the following is not a valid variable name in C?
1 a
a 1 2
a b 123
a b c 123

⇒ The method of frequency compensation in moving iron voltmeter is
to use a capacitor in series with coil
to connect a capacitor in parallel with coil
to connect a capacitor in parallel with series resistance
none of the above

⇒ For a full rectified sine wave, the form factor and peak factor respectively are
1.57 and 2
1.57 and 2
1.11 and 1.11
1.11 and 2

⇒ Consider the following rules in Fortran

A signed or unsigned real variable name or a real constant is a real expression.
Two real expressions connected by an arithmetic operator is a real expression.
A real variable or constant exponential by an integer constant or integer variable is not valid

Which of the above are correct?
All
1 and 2 only
1 and 3 only
2 and 3 only

⇒ Consider the following statements:

Taking 2's complement is equivalent to sign change.
In the 2's complement representation the most significant bit (MSB) is zero for a positive number.
In a 4 bit binary representation of a binary number A, A + 1's complement of A = 2⁴.

Which of the above statements are correct?
1 and 2 only
1 and 3 only
2 and 3 only
1, 2 and 3

⇒ To bypass a 100 ohm emitter resistor at
10 μF
100 μF
1000 μF
1 μF

⇒ The gain of a source follower is unity.
TRUE
FALSE

⇒ The total number of leads in SUS, SBS and SCS respectively are
3, 3, 4,
3, 3, 3
2, 3, 3
3, 3, 5

⇒ Consider the following applications

TV tuning
Active filter
Microwave frequency multiplication

In which of above can a varactor diode be used?
1 2 and 3
l and 2 only
1 and 3 only
2 and 3 only

⇒ Single parity check is not reliable in case of
paper tape
magnetic tape
magnetic drum
cores

⇒ The voltage across the secondary of the transformer in a half wave rectifier (without any filter circuit) is 25 volts. The maximum voltage on the reverse biased diode will be
100 V
50 V
25 V
12.5 V

⇒ In a turnstile antenna the crossed dipoles are excited with voltages
in phase with each other
90° out of phase with each other
120° out of phase with each other
180° out of phase with each other

⇒ In a moving iron voltmeter the coil has a resistance of 20 Ω and an inductance of 0.3 H. The swamping resistance in 2000 Ω. To ensure correct reading with dc as well as 50 Hz ac, the value of capacitor to be connected in parallel with swamping resistance should be
0.0125 μF
0.0311 μF
0.0521 μF
0.0622 μF

⇒ The following properties are associated with ferroelectric materials:

Its susceptibility is negative.

The susceptibility is expresse
1 only
1 and 3
2 only
1, 2 and 3

⇒ The amount of time between the creation and recombination of a free electron and hole is called
relaxation time
life time
lorentz time
collision time

⇒ MEWS stands for
Missile Early Warning System
Moving Target Early warning System
Missile Early Warning Signal
Moving Target Early Warning Signal

⇒ When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called
scattering
polarisation
absorption
dispersion

⇒ An RC circuit initially at rest has a step signal. The response V(t) across C is V(t) = 1 - e^-at, If now there is an initial voltage on C of 2 volts for the same step signal, V(t) is now
1 + e ^-at
1 + 2e ^-at
2 - e ^-at
3 - e ^-at

⇒ A sinusoidal carrier voltage, having frequency 1000 Hz is amplitude modulated by a sinusoidal voltage of frequency 15 kHz. The frequency of upper and lower sidebands will be
1015 kHz and 985 kHz
1030 kHz and 970 kHz
13 kHz and 17 kHz
14 kHz and 16 kHz

⇒ Which of the following statements is not correct for thermistors?
They have negative temperature coefficient of resistance
The sensing element is made of sintered ceramics, which are oxides of metals in the form of beads
The variation of resistance with temperature is linear
The resistance value at ambient temperature may range from 100 Ω to 100 kΩ

⇒ The maximum number of alphabets/digits or special symbots for character constants in C is
1
2
4
8

⇒ An arbitrary signal m (t) has zero average value and it is bandlimited to 3.2 kHz. It is sampled at the rate of 8 K samples/S. The samples are passed through an ideal bandpass filter with centre frequency of 32 kHz and bandwidth of 6.4 kHz. The output of band pass filter is
AM-DSB signal with suppressed carrier
AM-DSB signal with carrier
AM-SSB signal with carrier
a sequence of exponentially decaying sine waves