5 Dollar Traffic School Practice Exam

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For a 12V DC security camera located 300 feet from its power supply, what conductor characteristic must be evaluated to ensure proper operation?

Cable frequency rating Dielectric strength Voltage drop Optical clarity

Correct Answer:

Voltage drop

Explanation:

Over a long distance, the resistance of the wire will cause a voltage drop. If the drop is too large, the camera will not receive the required 12V to operate.

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