CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Input Impedance of Transmission Line

If the length...

Question

If the length of the short circuited transmission line is $\frac{3 λ}{8}$ then the input impedance is

A

zero

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

contains both real and imaginary part

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

inductive

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

capacitive

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D capacitive
$β l = \frac{2 π}{λ} \times \frac{3 λ}{8} = \frac{3 π}{4}$

$Z_{s c} = j Z_{0} tan β l = - j Z_{0}$ capacitive.

Suggest Corrections

thumbs-up

1

Similar questions

Q. Characteristic impedance of a transmission line is 50

Ω

. Input impendance of the open-circuited line is

Z_{O C} = 100 + j 150 Ω

. When the transmission line is short-circuited, then value of the input impedance will be

Q. One end of a loss-less transmission line having the characteristic impedance of 75

Ω

and length of 1 cm is short-circuited. At 3 GHz, the input impedance at the other end of the transmission line is

75 Ω

transmission line is terminated by a load impedance

Z_{L} - j 50 Ω .

\frac{5 λ}{8}

long, then input impedance

Z_{i n}

Q. A lossless transmission line of characteristic impedance

150 Ω

, phase velocity

v_{p} = 2 \times 10^{8} m/sec

and length l = 0.5 m is terminated by a load impedance

25 Ω

. If the operating frequency of the line is 50MHz, then the magnitude of input impedance is

Q. Consider the 3 m long lossless air-filled transmission line shown in the figure. It has a characteristic impedance of

120 π Ω

, is terminated by a short circuit, and is excited with a frequency of 37.5 MHz. What is the nature of the input impedance

(Z_{i n})

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Input Impedance of Transmission Line

OTHER

Watch in App

explore_more_icon

Explore more

Input Impedance of Transmission Line

Join BYJU'S Learning Program

CrossIcon