السؤال 120What are the two components of a radio wave?Impedance and reactanceVoltage and currentElectric and magnetic fields✓الإجابة الصحيحةIonizing and non-ionizing radiationالشرحA 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.