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Recent questions tagged transmission lines
+2
votes
1
answer
In air, a lossless transmission line of length 50 cm with L = 10μH/m, C = 40PF/m is operated at 25 MHz.
asked
Apr 7, 2019
in
JEE
by
kratos
transmission lines
jee
jee mains
+2
votes
1
answer
The propagation constant of a lossy transmission line is (2 + j5)m^−1 and its characteristic impedance is (50 + j0) Ω at ω = 10^6 rad*s^−1 .
asked
Apr 3, 2019
in
JEE
by
kratos
transmission lines
jee
jee mains
+1
vote
1
answer
A transmission line of 50 Ω characteristic impedance is terminated with a 100 Ω resistance.
asked
Mar 24, 2019
in
Mathematics
by
kratos
transmission lines
+3
votes
1
answer
A coaxial cable with an inner diameter of 1 mm and outer diameter of 2.4 mm is filled with a dielectric of relative permittivity 10.89.
asked
Mar 20, 2019
in
JEE
by
kratos
transmission lines
jee
jee mains
+1
vote
1
answer
A transmission line terminates in two branches each of length λ/4 as shown. The branches are terminated by 50 Ω loads.
asked
Mar 16, 2019
in
Mathematics
by
kratos
transmission lines
+2
votes
1
answer
Consider the 3 m long lossless air-filled transmission line shown in the figure. It has a characteristic impedance of 120πΩ,
asked
Mar 14, 2019
in
Mathematics
by
kratos
transmission lines
+2
votes
1
answer
A person with a receiver is 5 km away from the transmitter
asked
Mar 11, 2019
in
JEE
by
kratos
transmission lines
jee
communication systems
jee mains 2019
jee mains
superposition of waves
class-12
+3
votes
1
answer
One end of a lossless transmission line having the characteristic impedance of 75 and length of 1 cm is short circuited.
asked
Mar 6, 2019
in
Mathematics
by
kratos
transmission lines
+2
votes
1
answer
An extra high voltage transmission line of length 300 km can be approximated by a lossless line having propagation constant β = 0.00127
asked
Mar 2, 2019
in
Mathematics
by
kratos
transmission lines
+2
votes
1
answer
A 50 ohm lossless transmission line has a pure reactance of (j100) ohms as its load.
asked
Feb 24, 2019
in
JEE
by
kratos
transmission lines
jee
jee mains
+1
vote
1
answer
In the transmission line shown the impedance Zin between node A and the ground is
asked
Feb 15, 2019
in
Mathematics
by
kratos
transmission lines
+3
votes
1
answer
For a parallel plate transmission line, let v be the speed of propagation and Z be the characteristic impedance.
asked
Feb 12, 2019
in
Mathematics
by
kratos
transmission lines
+2
votes
1
answer
An electric lamp of 100Ω, a toaster of resistance 50Ω, and a water filter of resistance 500Ω are connected in parallel
asked
Feb 6, 2019
in
Class 12
by
kratos
transmission lines
cbse
electricity
class-10
class-12
electric current in conductors
+3
votes
1
answer
The input impedance of a short circuited lossless transmission line quarter wave long is (a) Purely reactive
asked
Jan 19, 2019
in
JEE
by
kratos
transmission lines
jee
jee mains
+2
votes
1
answer
A two – wire transmission line of characteristic impedance Z0 is connected to a load of impedance ZL (ZL ≠ Z0).
asked
Jan 14, 2019
in
Mathematics
by
kratos
transmission lines
+1
vote
1
answer
A load impedance, (200 + j0) Ω is to be matched to a 50 Ω lossless transmission line by using a quarter wave line transformer (QWT).
asked
Jan 5, 2019
in
Mathematics
by
kratos
transmission lines
+2
votes
1
answer
The input impedance of a λ/8 section of a lossless transmission line of characteristic impedance 50 Ω
asked
Dec 29, 2018
in
JEE
by
kratos
transmission lines
jee
jee mains
+2
votes
1
answer
All transmission line section in Figure, have a characteristic impedance R0 + j0.
asked
Dec 27, 2018
in
JEE
by
kratos
transmission lines
jee
jee mains
+2
votes
1
answer
A coaxial cable having radius "a" of inner wire and inner and outer radii"b"and"c"respectively of the
asked
Dec 16, 2018
in
JEE
by
kratos
magnetic field due to a current
jee
class-12
magnetic effect of current
electromagnetism
jee mains
magnetism
transmission lines
+3
votes
1
answer
Distinguish between the Transfer of shares and Transmission of shares.
asked
Dec 16, 2018
in
Class 12
by
kratos
class-11
class-12
transmission lines
cbse
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