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G5B12
What is the RMS voltage across a 50-ohm dummy load dissipating 1200 watts?
Pick an answer to check it.
Answer: B. 245 volts
Use E = square root of (P x R). E = square root of (1200 W x 50 ohms) = square root of 60,000 = 245 V RMS.
Tip: E = square root of P x R.