Deep Dive: E6F10
The correct answer is B: Silicon. What is the most common material used in power-generating photovoltaic cells is silicon. Silicon is the most common material for solar cells. For amateur radio operators, this is important for photovoltaic knowledge. Understanding this helps when working with solar panels.
Why Other Answers Are Wrong
Option A (Selenium): Incorrect. Selenium isn't most common - silicon is. Selenium isn't the material. Option C (Cadmium sulfide): Incorrect. Cadmium sulfide isn't most common - silicon is. Cadmium sulfide isn't the material. Option D (Indium arsenide): Incorrect. Indium arsenide isn't most common - silicon is. Indium arsenide isn't the material.
Exam Tip
Most common material for power-generating photovoltaic cells = silicon. Think 'P'ower 'P'hotovoltaic = 'S'ilicon. Silicon is the most common material for solar cells. Not selenium, not cadmium sulfide, not indium arsenide - just silicon.
Memory Aid
Most common material for power-generating photovoltaic cells = silicon. Think 'P'ower 'P'hotovoltaic = 'S'ilicon. Silicon is the most common material for solar cells. Important for photovoltaic knowledge.
Real-World Example
Power-generating photovoltaic cells: The most common material used is silicon. Most commercial solar panels use silicon cells. This is the material - silicon for power-generating photovoltaic cells.
Source & Coverage
Question Pool: 2024-2028 Question Pool
Subelement: E6F
Reference: 2024-2028 Question Pool · E6 - Circuit Components
Key Concepts
Verified Content
Question from the official FCC Extra Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the E6F topic.