Ham Radio General Class Test Ham Radio General Class Test Electronic Principles and Circuits Questions and Answers 2

Question 1

What is the total resistance of three 300-ohm resistors connected in parallel?

Accepted Answer

100 ohms

Answer

300 ohms

Answer

900 ohms

Answer

33 ohms

Question 2

What type of filter is used to pass frequencies above a specified cutoff frequency while attenuating frequencies below it?

Accepted Answer

High-pass filter

Answer

Low-pass filter

Answer

Band-pass filter

Answer

Notch filter

Question 3

What is the purpose of a bypass capacitor in an amplifier circuit?

Accepted Answer

To provide a low-impedance path to ground for AC signals

Answer

To block DC from reaching the output

Answer

To increase the input impedance

Answer

To regulate the supply voltage

Question 4

In a series RLC circuit at resonance, what is the relationship between inductive reactance and capacitive reactance?

Accepted Answer

They are equal and cancel each other

Answer

Inductive reactance is twice capacitive reactance

Answer

Capacitive reactance is zero

Answer

Both are at their maximum values

Question 5

What happens to the capacitance of a capacitor if the plate area is doubled while keeping the plate spacing constant?

Accepted Answer

Capacitance doubles

Answer

Capacitance is halved

Answer

Capacitance quadruples

Answer

Capacitance remains the same

Question 6

What is the primary advantage of a MOSFET over a bipolar junction transistor in RF amplifier applications?

Accepted Answer

Very high input impedance

Answer

Higher current gain

Answer

Lower cost

Answer

Simpler biasing requirements