Transmission lines are metallic conductor system that is used to transfer electrical energy from one point to another.

Electrical power propagates along transmission lines in the form of _______________

In general, a line is considered as a transmission line if its length exceeds _______________ of a wavelength.

Transmission line is used when?

Note: Check all the possible correct answer.

An Important requirement of Transmission Lines:

An Important requirement of Transmission Lines:

An Important requirement of Transmission Lines:

The velocity of a wave depends on the type of wave and the medium of propagation.

In free space, electromagnetic waves travel at the speed of light. The speed of light is measured as

The velocity of any wave is given by

It is a classification of transmission line where both conductors carry current.

In a balanced line, the current in the two conductors are equal in magnitude and travels in ________ direction.

Balance is defined in terms of the impedances of the two signal conductors with respect to a reference, which is usually ____________

It is a classification of transmission line where one conductor carries the signal while the other is at a ground potential

____________ input or output connects one of its signal conductors to ground and has a non-zero impedance at the other signal conductor.

Balanced lines can be connected to unbalanced lines and vice versa using special transformers called _________

In balanced line, the two wires have the same capacitance to ground. Each wire carries same current but are _______ degree out of phase.

Open-wire Transmission Line

Twin-lead Transmission Line

Listed above are example of what type of transmission line

It is a type of transmission line wherein one wire is at ground potential while the other wire is at signal potential

The following are example of balanced line transmission line except

The conductor distance of parallel open-wire line is between ____to _____ inches

The typical conductor separation of twin-lead is ______ inch.

It consist of two concentric conductors separated by a dielectric.

When choosing an ethernet cable, for _____ or ______ mbps -you’re good with anything Cat5 or newer.

It provides performance to allow data at 100 Mbps and is slightly more (125 MHz for 1000Base-T) Ethernet.

It is currently the most commonly used cable, mainly due to its low production cost

It is tightly wound and usually outfitted with foil or braided shielding; protects the twisted pairs of wires inside the Ethernet cable, helps prevent crosstalk and noise interference.

CAT6 support speeds up to ______ for up to 55 meters.

Cables based on this standard are a step up from Cat 6 versions by supporting twice the maximum bandwidth, maintaining higher transmission speeds.

It supports higher bandwidths and significantly faster transmission speeds than Cat 6.

CAT7 reach up to _______ at a range of 15 meters making it one of the most capable categories of Ethernet cables.

It offers one of the highest-specification Ethernet cables you can buy, but it’s not widely available and offers only a few supporting networking hardware options.

This standard promises a maximum frequency of 2,000 MHz and speeds of up to 40 Gbps at 30 meters.

CAT8 promises a maximum frequency of ________ and speeds of up to 40 Gbps at 30 meters.

In CAT8, it only allows for three connected cables with a combined length of _____meters.

CAT6 is usually

Maximum bandwidth of CAT5e is

The maximum transmission speed of CAT7a

It is a type of coaxial transmission line where the insulating material is air.

It is a type of coaxial transmission line where the inner conductor consists of flexible wire insulated from the braided outer conductor by a solid continuous insulating material.

It is less expensive, easier to construct and install, low-maintenance.

Air-Filled and Solid Coaxial cable are relatively immune to external radiation and can propagate at lower frequencies than parallel wire line.

Circuit analysis assumes that the physical dimensions of a network are much smaller than the electrical wavelength, while transmission lines may be a considerable fraction of a wavelength, or many wavelengths, in size.

It is distributed-parameter network, where voltages and currents ca vary in magnitude and phase over its length.

The following are electrical properties of transmission line except:

It is the most commonly used conductor for a transmission line due to low cost and more complex.

The frequency of operation in transmission line is high which is usually in

It is the distance between identical points in the cycles of a waveform

The minimum loss in transmission line is usually

It occurs due to imperfections in the cable caused by impedance mismatches

It is the main purpose of transmission lines

A perfect match means there are reflections along the lines thus avoid overheating in the transmission lines and maximum power is transferred into the receiver.

It is often called as a semi-pro and are usually used in audio equipment.

Transmission line that is mostly used to connect radio transmitters and receivers to their antennas.

Transmission line that used extensively in high frequency applications

THE HIGHER THE NUMBER REPRESENTED, THE FASTER SPEED AND HIGHER FREQUENCY IS MEASURED IN kHz.

Transmission lines consists most frequently of two conductors

It is characterized by high radiation losses and is susceptible to noise.

It is also known as the ribbon cable.

It is similar to the open wire, except that instead of spacers a solid dielectric is used along the whole length of the wire which provides uniform spacing along the entire length.

Two insulated wires are twisted to form a flexible line without the use of spacers.

It is not used for high frequencies

It consists of parallel conductors separated and surrounded by a solid dielectric

One of its advantage is less radiation loss and interference

It eliminate unwanted signal transfers between communication channels (crosstalk)

It is a type of coaxial transmission line that is expensive and high-maintenance.

A transmission line shall be represented by a parallel wire configuration regardless of the shape of the line under consideration.

The representation of transmission line is called ________

In a coaxial line, the _________________ lines are in the radial direction between the inner and outer conductor, and the ____________ forms circles around the inner conductors

It measure of electric polarizability of dielectric constant; measure of increase or decrease in electric field

It measure of electric current; materials ability to produce electric current

The relative increase or decrease in the resultant magnetic field inside a material compared with a magnetizing field in which the given material is located

The surface resistance of the conductor is known as

If the insulating material between the conductors is air, the transmission line is called __________

Permittivity

Permeability 

Conductivity 

Ideal Transmission Line assumes a perfect conductor and dielectric

It is the ratio of the amplitude of voltage and current of a single wave propagating along the line

It is the impedance measured at the input of a transmission line when its length is infinite

It expresses the attenuation and the phase shift per unit length of a transmission line

It is the ratio of the speed of an electromagnetic wave in a medium to its speed in vacuum

It is the velocity at which the signal propagates in a medium

It determines the variation of current or voltage with distance S along the line

The range pf impedance for coaxial line is 40-150 ohms

 $ε_r$  of materials commonly used for transmission lines are

Propagation constant

attenuation coefficient 

phase shift coefficient 

The amount of loss in the signal strength as it propagates throughout a transmission line is called

The unwanted coupling caused by overlapping electric and magnetic fields