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Which statement best defines a multi-layer PCB in electronic design?

easy🧠 Conceptual Q3 of 15
PCB Design - Multi-Layer PCB Design
Which statement best defines a multi-layer PCB in electronic design?
AA PCB composed of three or more conductive layers separated by insulating material
BA PCB with only one conductive layer and multiple solder masks
CA flexible PCB without any rigid layers
DA PCB that uses only surface mount components
Step-by-Step Solution
Solution:

  1. Step 1: Define multi-layer PCB

    Multi-layer PCBs have multiple conductive layers separated by insulation.

  2. Step 2: Evaluate options

    Only A PCB composed of three or more conductive layers separated by insulating material correctly describes this structure.

  3. Final Answer:

    A PCB composed of three or more conductive layers separated by insulating material -> Option A

  4. Quick Check:

    Multi-layer means multiple conductive layers [OK]
Quick Trick: Multi-layer PCBs have 3+ conductive layers [OK]
Common Mistakes:
MISTAKES
  • Confusing multi-layer with single-layer PCBs
  • Thinking flexible PCBs are always multi-layer
  • Assuming component type defines PCB layers

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