Question is ⇒ Assertion (A): Artificial transmission lines are frequently used in laboratories.Reason (R): An artificial transmission line can be used to represent an actual line and can also be used as a delay circuit, as attenuator, as filter network etc., Options are ⇒ (A) Both A and R are correct and R is correct explanation of A, (B) Both A and R are correct but R is not correct explanation of A, (C) A is correct but R is wrong, (D) A is wrong but R is correct, (E) , Leave your comments or Download question paper.

Question is ⇒ Assertion (A): Artificial transmission lines are frequently used in laboratories.Reason (R): An artificial transmission line can be used to represent an actual line and can also be used as a delay circuit, as attenuator, as filter network etc., Options are ⇒ (A) Both A and R are correct and R is correct explanation of A, (B) Both A and R are correct but R is not correct explanation of A, (C) A is correct but R is wrong, (D) A is wrong but R is correct, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Assertion (A): Artificial transmission lines are frequently used in laboratories. Reason (R): An artificial transmission line can be used to represent an actual line and can also be used as a delay circuit, as attenuator, as filter network etc.
A.	Both A and R are correct and R is correct explanation of A [Correct Answer]
B.	Both A and R are correct but R is not correct explanation of A [Wrong Answer]
C.	A is correct but R is wrong [Wrong Answer]
D.	A is wrong but R is correct [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 :

⇒ Which of the following is a circularly polarized antenna?
Horn
Dipole
Helical
Pyramidal

⇒ A XOR gate has inputs A and B and output Y. Then the output equation is
Y = AB
Y = AB + A B
Y = A B + A B
Y = A B + A B

⇒ Consider the following statements as regards SAW filter

The centre frequency is determined by the pitch of IDT comb shaped electrodes
The response can be modified shaping the overlap of comb electrodes
The response is maximum when acoustic wave has its wavelength equal to pitch
When a number of identical electrodes are arranged at the same pitch, the frequency characteristics of the filter is expressed by (sin x)/x

Which of the above statements are correct?
1, 2, 3, 4
1, 2, 3 only
1, 2, 4 only
2, 3, 4 only

⇒ Which of the following best represents the output impedance of an actual op-amp?
10 ohm
100 ohm
10 k ohm
100 k ohm

⇒ Which inductor is used at high frequencies?
Cast iron cored
Sheet steel cored
Iron alloy cored
Ceramic cored

⇒ If V_in is 0.99 V, what is the digital output of the ADC 0801 after INTER goes low?
0011 0011
0101 1111
0111 1100
1111 1111

⇒ A Schottky diode clamp is used along with a switching BJT for
reducing the power
reducing the switching time dissipation
increasing the value of β
reducing the base current

⇒

Match the following:

	List I		List II
A.	LED	1.	Heavy Doping
B.	Avalanche Photodiode	2.	Coherent Radiation
C.	Tunnel diode	3.	Spontaneous Emission
D.	LASER	4.	Current gain

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

⇒ A buffer is
always non-inverting
always inverting
inverting or non-inverting
none of the above

⇒

Assertion (A): F(s) is valid throughout s plane except at poles of F(s).

Reason (R): £[f₁(t) + f₂(t)] = £[f₁(t)] + £[f₂(t)]

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

⇒

Assertion (A): The reverse saturation current in a semiconductor diode is 4nA at 20°C and 32 nA at 50°C.

Reason (R): The reverse saturation current in a semiconductor diode doubles for every 10°C rise in temperature.

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

⇒ The potential of suppressor grid (with respect to cathode) is usually
zero
negative
positive
zero or positive

⇒ A half bridge inverter
needs a 3 wire dc supply
may use a two wire or 3 wire dc supply
has higher output voltage if fed from 3 wire dc supply
has higher efficiency if fed from 3 wire dc supply

⇒ At present, the radio-frequency band mainly used by most satellites is
EHF
UHF
VHF
SHF

⇒ An ac tachometer has a drag cup construction so that
rotor inertia is low
rotor body is conducting
rotor is easy to fabricate
both (a) and (b)

⇒ The signal m(t) = 10 cos 100 pt is sampled at the rate of F_s = 75 H_z, then determine signal after sampling.
4 cos 100 pt + 8 sin 200 pt
4 cos 100 pt + 8 sin 200 pt + cos 75 pt
4 cos 25 pt + 8 sin 50 pt + cos 75 pt
none

⇒ Refer to the NAND and NOR latches shown in the figure. The inputs (P₁, P₂) for both the latches are first made (0, 1) and then, after a few seconds, made (1, 1). The corresponding stable outputs (Q₁, Q₂)
NAND: first (0, 1) then (0, 1) NOR: first (1, 0) then (0, 0)
NAND: first (1, 0) then (1, 0) NOR: first (1, 0) then (1, 0)
NAND: first (1, 0) then (1, 0) NOR: first (1, 0) then (0, 0)
NAND: first (1, 0) then (1, 1) NOR: first (0, 1) then (0, 1)

⇒ Phase velocity of waves propagating in a hollow metal waveguide is
greater than the group velocity
less than the velocity of light in free space
equal to the velocity of light in free space
equal to group velocity

⇒ Flash ADC is
serial ADC
parallel ADC
series-parallel ADC
successive approximation ADC

⇒ When two coupled coils of equal self inductance are cormected in series in one way the net inductance is 12 mH and when they are connected in the other way the net inductance is 4 mH. The maximum value of inductance when they are connected in parallel is
2 mH
3 mH
4 mH
6 mH

⇒ The forbidden energy gap for germanium is
0.12 eV
0.32 eV
0.72 eV
0.92 eV

⇒ If any term in the first column of a Routh array becomes zero, then
Routh criterion cannot be used to determine stability
Routh criterion can be used by substituting a small positive number for zero and completing the array
Routh criterion can be used by substituting a big positive number for zero and completing the array
Routh criterion can be used by substituting a small negative number for zero and completing the array

⇒ In a JFET V_DS exceeds the rated value. Then it operates in
active region
ohmic region
cut off region
either cut off or active region

⇒ Consider the following applications

Switch
Attenuator
Phase shifter
Oscillator

In which of the above can a PIN diode be used?
1 2 3 and 4
1 2 and 3 only
1 and 2 only
2, 3 and 4 only

⇒ In LED the radiation is in
visible region
infrared region
both (a) and (b)
neither (a) nor (b)

⇒ Find R_TH across the terminals A a
52.28 Ω
58.28 Ω
52.82 Ω
58.82 Ω

⇒ Which of the following is used in the sterilization of water?
Hydrogen bromide
Oxygen
Ozone
Caustic potash

⇒ Schrodinger wave equation is a
linear equation
differential equation
partial differential equation
none of the above

⇒ The function shown in the fig
impulse function
signum function
unit step function
none of the above

⇒ In a half wave rectifier, the load current flows
only for the positive half cycle of the input signal
only for the negative half cycle of the input signal
for full cycle
for less than fourth cycle