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Lineman's Test C Practice

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One gigawatt equals how many megawatts?
Correct Answer:
1000MW
Explanation:
Power unit scales: giga- and mega- prefixes determine how many watts are in a gigawatt or a megawatt. Giga- means 10^9 and mega- means 10^6, so 1 gigawatt equals 10^9 watts and 1 megawatt equals 10^6 watts. Dividing gives 10^9 / 10^6 = 10^3, which is 1,000. So 1 gigawatt equals 1,000 megawatts. In practical terms, that means 100 MW is 0.1 GW, 10 MW is 0.01 GW, and 10,000 MW is 10 GW.

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