Extra Class

What does the impedance 50 - j25 ohms represent?

Where is the impedance of a pure resistance plotted on rectangular coordinates?

What coordinate system is often used to display the phase angle of a circuit containing resistance, inductive, and/or capacitive reactance?

When using rectangular coordinates to graph the impedance of a circuit, what do the axes represent?

Which point on Figure E5-1 best represents the impedance of a series circuit consisting of a 400-ohm resistor and a 38-picofarad capacitor at 14 MHz?

Which point in Figure E5-1 best represents the impedance of a series circuit consisting of a 300-ohm resistor and an 18-microhenry inductor at 3.505 MHz?

Which point on Figure E5-1 best represents the impedance of a series circuit consisting of a 300-ohm resistor and a 19-picofarad capacitor at 21.200 MHz?

What is the result of conductor skin effect?

Why is it important to keep lead lengths short for components used in circuits for VHF and above?

What is the phase relationship between current and voltage for reactive power?

Why are short connections used at microwave frequencies?

What parasitic characteristic causes electrolytic capacitors to be unsuitable for use at RF?

What parasitic characteristic creates an inductor’s self-resonance?

What combines to create the self-resonance of a component?

What is the primary cause of loss in film capacitors at RF?

What happens to reactive power in ideal inductors and capacitors?

As a conductor’s diameter increases, what is the effect on its electrical length?

How much real power is consumed in a circuit consisting of a 100-ohm resistor in series with a 100-ohm inductive reactance drawing 1 ampere?

What is reactive power?

In what application is gallium arsenide used as a semiconductor material?