Impedance matching

A network which is used to match the load impedance with source impedance is called---

• Matching network

• Unmatching network

• Balanced network

For the line of zero dissipation the attenuation constant α is

• 1

• 0

• Infinity

For an one eighth waveline the value of x be---

Impedance matching is achieved when load impedance---- to input impedance

• proportional

• equal

• inequal

In quarter waveline the value of x be---

A --- can be considered as one to one transformer

• one-eighth waveline

• quarter waveline

• Half-wave line

Impedance matching device between the source and load to achieve impedance matching is called

• Stub

• load

• section

how many types of stub matching is there in impedance matching

• 3

• 2

• 4

Single stub matching is applicable only for

• multi frequency

• single frequency

• zero frequency network

The input impedance at any point on transmission line is given by---