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2020 Extra Class study guide – E6F: Electro-optical technology: photoconductivity; photovoltaic devices; optical sensors and encoders; optical isolation

Some components make use of the photovoltaic effect, which is the process of converting light to electrical energy. In a photovoltaic cell, electrons absorb the energy from light falling on a photovoltaic cell. The electrons then become free electrons. QUESTION: What is the photovoltaic effect? (E6F04) ANSWER: The conversion of light to electrical energy QUESTION: […]

The post 2020 Extra Class study guide – E6F: Electro-optical technology: photoconductivity; photovoltaic devices; optical sensors and encoders; optical isolation appeared first on KB6NU’s Ham Radio Blog.

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The Latest Episode of ARRL Audio News is Now Available

Listen to the new episode of ARRL Audio News on your iOS or Android podcast app, or online at http://www.blubrry.com/arrlaudionews/. Audio News is also retransmitted on a number of FM repeaters. Click here and then scroll down to see the list. […]