ARRL Technician Practice Exam

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Prepare for the ARRL Technician Exam with confidence. Study using flashcards and multiple choice questions, each equipped with hints and explanations. Ace your exam with ease!

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How much voltage does a mobile transceiver usually require?

6 volts
9 volts
12 volts
15 volts

The correct answer is: 12 volts

Mobile transceivers are typically designed to operate on a nominal voltage of 12 volts. This is the standard voltage used in most automotive electrical systems, allowing transceivers to easily draw power from a vehicle's battery, which provides around 12.6 volts when fully charged. The choice of 12 volts is advantageous for several reasons. First, it aligns with the common voltage level found in cars, making it practical for mobile use. Additionally, many commercial and consumer electronics, including radios and other communication devices, are manufactured to operate effectively at this voltage. While some devices might require other voltages like 6, 9, or 15 volts, they are not typical for mobile transceivers, which predominantly utilize the 12-volt standard to ensure compatibility with the existing automobile electrical systems. This makes the transceiver more versatile and user-friendly for amateur radio operators who wish to use their equipment while on the go.