Transmission Lines and Waveguides - Surprise Quiz-1

What is the phase constant of a wave with a wavelength of 2 units?

• 1.81

• 2.52

• 3.14

• 6.28

What is used to eliminate distortion of carrier frequency in an underground cable?

• Inductive loading

• Capacitive loading

• Resistive loading

• Shielding

Infer the characteristic impedance of a transmission line with R = G = 0.

• Purely Inductive

• Purely Capacitive

• Purely Resistive

• Purely Reactive

Find the propagation constant of a transmission line having impedance and admittance of 9 and 16 respectively.

• 12

• 16

• 25

• 144

Compute the characteristic impedance of the line having the magnitudes of the open – circuit and short – circuit input impedances of a transmission line are 100 Ω and 25 Ω respectively.

• 25  Ω

• 50 Ω

• 75 Ω

• 100 Ω

Select the typical characteristic impedance of a transmission line.

• 0  Ω

• 50  Ω

• 75  Ω

• 100  Ω

A transmission line has a characteristic impedance of 300 Ω. Solve the magnitude of reflection coefficient if the receiving end impedance is 400 Ω.

• 0

• 0.143

• 0.532

• 1

When load impedance equals to Z₀ of the line, it means that the load will _____ all the power.

• radiate

• attenuate

• reflect

• absorb

Transmission line must be matched to the load to ______.

• transfer maximum voltage to the load

• transfer maximum power to the load

• reduce the load current

• transfer maximum current to the load

Interpret the impedance measured at the input of the transmission line when its length is infinite.

• Input Impedance

• Open Circuit Impedance

• Short Circuit Impedance

• Characteristic Impedance