In a power system lightning arresters are used to protect the electrical equipment against

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Option D: Over voltage due to indirect lightening stroke

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Practice and solve "In a power system lightning arresters are used to protect the electrical equipment against..." for Electrical - Power System. The correct answer is Option D: Over voltage due to indirect lightening stroke. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.

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Option A: Power frequency of over voltage

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Option B: Direct stroke of lightning

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Option C: Over current due to lightening stroke

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