How can the effects of ground loops be minimized?
The correct answer is D: Bond equipment enclosures together. How the effects of ground loops can be minimized is to bond equipment enclosures together. Bonding ensures all equipment is at the same potential, preventing ground loops. For amateur radio operators, this is essential for preventing ground loop problems. Understanding this helps when troubleshooting ground loops.
Exam Tip
Minimize ground loops = bond equipment enclosures together. Think 'B'ond = 'B'rings 'E'nclosures to 'S'ame potential. Bonding ensures all equipment is at the same potential, preventing ground loops. Not series connections, not AC neutral, not avoiding washers - just bonding.
Memory Aid
"Minimize ground loops = bond equipment enclosures together. Think 'B'ond = 'B'rings 'E'nclosures to 'S'ame potential. Bonding ensures all equipment is at the same potential, preventing ground loops. Standard solution for ground loops."
Real-World Application
You have ground loop problems causing hum in your audio. You bond all equipment enclosures together with heavy wire or strap. This ensures all equipment is at the same potential, preventing ground loops. Bonding is the standard solution for ground loop problems.
Key Concepts
Why Other Options Are Wrong
Option A: Incorrect. Connecting ground conductors in series doesn't minimize ground loops - it can actually create problems. Series connections aren't the solution.
Option B: Incorrect. Connecting AC neutral to ground wire doesn't minimize ground loops - it can create safety hazards. This is not recommended.
Option C: Incorrect. Avoiding lock washers and star washers doesn't minimize ground loops - these help make good connections. Avoiding them doesn't help.
题目解析
The correct answer is D: Bond equipment enclosures together. How the effects of ground loops can be minimized is to bond equipment enclosures together. Bonding ensures all equipment is at the same potential, preventing ground loops. For amateur radio operators, this is essential for preventing ground loop problems. Understanding this helps when troubleshooting ground loops.
考试技巧
Minimize ground loops = bond equipment enclosures together. Think 'B'ond = 'B'rings 'E'nclosures to 'S'ame potential. Bonding ensures all equipment is at the same potential, preventing ground loops. Not series connections, not AC neutral, not avoiding washers - just bonding.
记忆口诀
Minimize ground loops = bond equipment enclosures together. Think 'B'ond = 'B'rings 'E'nclosures to 'S'ame potential. Bonding ensures all equipment is at the same potential, preventing ground loops. Standard solution for ground loops.
实际应用示例
You have ground loop problems causing hum in your audio. You bond all equipment enclosures together with heavy wire or strap. This ensures all equipment is at the same potential, preventing ground loops. Bonding is the standard solution for ground loop problems.
错误选项分析
Option A: Incorrect. Connecting ground conductors in series doesn't minimize ground loops - it can actually create problems. Series connections aren't the solution. Option B: Incorrect. Connecting AC neutral to ground wire doesn't minimize ground loops - it can create safety hazards. This is not recommended. Option C: Incorrect. Avoiding lock washers and star washers doesn't minimize ground loops - these help make good connections. Avoiding them doesn't help.
知识点
Ground loops, Bonding, Equipment enclosures, Ground loop minimization
Verified Content
Question from official FCC General Class question pool. Explanation reviewed by licensed amateur radio operators.