Physics · Amplifiers

The power gain in decibels (dB) is expressed as:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

110 log 10 (V o / V i )
210 log 10 (P o / P i )✓
320 log 10 (P o / V i )
420 log 10 (P o / P i )

Correct answer

10 log 10 (P o / P i )

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