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Pregunta 120

What are the two components of a radio wave?

  1. Impedance and reactance
  2. Voltage and current
  3. Electric and magnetic fieldsRespuesta correcta
  4. Ionizing and non-ionizing radiation

Explicación

A radio wave is an electromagnetic wave, made of an oscillating electric field and an oscillating magnetic field that sustain each other as they travel. Voltage, current, impedance and reactance describe circuits, not the wave in space.

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Pregunta 120: What are the two components of a radio wave? · FCC Technician Class (Element 2) · Questena