La puissance de votre émetteur est de 100 watts et votre ligne de transmission introduit une perte de 6 dB. Quelle puissance est délivrée à l'antenne?

Why

A loss of 6 dB means the signal power is cut in half twice. The full explanation — and one for every question — is in Pro.

Practise this section

Basic electronics and theory is section B-005 of the Basic exam: The theory: Ohm's law, power, series and parallel circuits, AC and DC, frequency and wavelength, decibels, and the metric prefixes the exam leans on.

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