Amateur Radio for Smart People
Example questions from the General class question pool
This time our General question is about, well, s-meters! [G4D06] Where is an S meter found? A. In a receiver B. In an SWR bridge C. In a transmitter D. In a conductance bridge The answer is, A. In a receiver. Now, in most modern transceivers, the receiver and transmitter are packaged in the same … Read more
This weeks’ General question is from sub-element zero (Electrical Safety) section B (Safety in the Shack) [G0B13] What must you do when powering your house from an emergency generator? A. Disconnect the incoming utility power feed B. Insure that the generator is not grounded C. Insure that all lightning grounds are disconnected D. All of … Read more
This week’s General Class exam question is from sub-element 6 (Resistors; capacitors; inductors) section B (batteries)… [G6B13] What is an advantage of the low internal resistance of nickel-cadmium batteries? A. Long life B. High discharge current C. High voltage D. Rapid recharge Nickel Cadmium, or NiCd, rechargeable batteries aren’t as popular as they once were, … Read more
The General class exam question of the week is from sub-element 6 (circuit components) section A (resistors) [G6A06] What will happen to the resistance if the temperature of a resistor is increased? A. It will change depending on the resistor’s reactance coefficient B. It will stay the same C. It will change depending on the … Read more
The General question of the week is from sub-element 3 (propagation) section C (ionospheric layers) [G3C02] Where on the Earth do ionospheric layers reach their maximum height? A. Where the Sun is overhead B. Where the Sun is on the opposite side of the Earth C. Where the Sun is rising D. Where the Sun … Read more
This week’s General Class question comes from sub-element 5 (Electrical Principles) group A (impedance) [G5A10] What unit is used to measure impedance? A. Volt B. Ohm C. Ampere D. Watt Impedance is the measure of opposition to current flow in a circuit when an AC voltage is applied. With that in mind, we can automatically … Read more
This week’s General question comes from the section on circuit components. [G5C14] Which of the following components should be added to an inductor to increase the inductance? A. A capacitor in series B. A resistor in parallel C. An inductor in parallel D. An inductor in series The answer, is D. An inductor in series. … Read more
Which of the following is a disadvantage of using wind as the primary source of power for an emergency station? [G4E11] A. The conversion efficiency from mechanical energy to electrical energy is less than 2 percent B. The voltage and current ratings of such systems are not compatible with amateur equipment C. A large energy … Read more
What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 2 meter band? [G1C11] A. 56 kilobaud B. 19.6 kilobaud C. 1200 baud D. 300 baud The answer is B. 19.6 kilobaud. But why? It has to do with the amount of bandwidth used by a signal. 1200 and 300 … Read more
