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Consider the following statements. To provide reliable protection for distribution transformer against over voltage is using lightning arresters, it is essential that
Lead resistance is high
Distance between transformer and arrester is small
Transformer and arrester have a common interconnecting ground
Spark over voltage of the arrester is greater than the residual voltage
1, 3 and 4 are correct
2 and 3 are correct
2, 3 and 4 are correct
1 and 4 are correct
2 and 3 are correct
Quick Summary: Practice and solve "Consider the following statements. To provide reliable protection for distribution transformer again..." for Electrical - Power System. The correct answer is Option B: 2 and 3 are correct. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(b) **