What is the result of conductor skin effect?

1. A Resistance increases as frequency increases because RF current flows closer to the surface
2. B Resistance decreases as frequency increases because electron mobility increases
3. C Resistance increases as temperature increases because of the change in thermal coefficient
4. D Resistance decreases as temperature increases because of the change in thermal coefficient

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

1. A To increase the thermal time constant
2. B To minimize inductive reactance
3. C To maintain component lifetime
4. D All these choices are correct

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

1. A They are out of phase
2. B They are in phase
3. C They are 90 degrees out of phase
4. D They are 45 degrees out of phase

Why are short connections used at microwave frequencies?

1. A To increase neutralizing resistance
2. B To reduce phase shift along the connection
3. C To increase compensating capacitance
4. D To reduce noise figure

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

1. A Skin effect
2. B Shunt capacitance
3. C Inductance
4. D Dielectric leakage

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

1. A Skin effect
2. B Dielectric loss
3. C Coupling
4. D Inter-turn capacitance

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

1. A The component's resistance and reactance
2. B The component's nominal and parasitic reactance
3. C The component's inductance and capacitance
4. D The component's electrical length and impedance

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

1. A Inductance
2. B Dielectric loss
3. C Self-discharge
4. D Skin effect

What happens to reactive power in ideal inductors and capacitors?

1. A It is dissipated as heat in the circuit
2. B Energy is stored in magnetic or electric fields, but power is not dissipated
3. C It is canceled by Coulomb forces in the capacitor and inductor
4. D It is dissipated in the formation of inductive and capacitive fields

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

1. A Thickness has no effect on electrical length
2. B It varies randomly
3. C It decreases
4. D It increases

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?

1. A 70.7 watts
2. B 100 watts
3. C 141.4 watts
4. D 200 watts

What is reactive power?

1. A Power consumed in circuit Q
2. B Power consumed by an inductor's wire resistance
3. C The power consumed in inductors and capacitors
4. D Wattless, nonproductive power