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G5B14
What is the output PEP of 500 volts peak-to-peak across a 50-ohm load?
Pick an answer to check it.
Answer: B. 625 watts
500 V peak-to-peak is 250 V peak. RMS = 250 x 0.707 = 176.8 V. PEP = E^2 / R = 176.8 x 176.8 / 50 = 31,250 / 50 = 625 W.
Tip: Halve P-P, x 0.707, square, divide by R.