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تسجيل

The Line

المؤلف:  GEORGE A. HOADLEY

المصدر:  ESSENTIALS OF PHYSICS

الجزء والصفحة:  P-371

2025-12-10

557

consists of iron or copper wire supported by glass insulators attached to the line poles. At one terminal station the + pole of the main battery is connected with the line and the - pole is connected with the earth or is "grounded," while at the other terminal station the - pole is connected with the line and the + is grounded.