telephone 9.17 A three-phase, 60-Hz, power line is supported on a horizontal crossarm, and the separation distance between adjacent conductors is 2 m. The current flowing in the conductors is 100 A. A telephone line is supported on a horizontal crossarm that is placed 1.5 m below the power line, and the telephone wires are 1 m apart. Find the expression for the mutual inductance between the power line and the telephone line. Calculate the induced voltage per kilometer in the telephone line.

Introductory Circuit Analysis (13th Edition)
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telephone circuits and (b)
9.17 A three-phase, 60-Hz, power line is supported on a horizontal crossarm, and
the separation distance between adjacent conductors is 2 m. The current flowing in the
conductors is 100 A. A telephone line is supported on a horizontal crossarm that is
placed 1.5 m below the power line, and the telephone wires are 1 m apart. Find the
expression for the mutual inductance between the power line and the telephone line.
Calculate the induced voltage per kilometer in the telephone line.
Transcribed Image Text:telephone circuits and (b) 9.17 A three-phase, 60-Hz, power line is supported on a horizontal crossarm, and the separation distance between adjacent conductors is 2 m. The current flowing in the conductors is 100 A. A telephone line is supported on a horizontal crossarm that is placed 1.5 m below the power line, and the telephone wires are 1 m apart. Find the expression for the mutual inductance between the power line and the telephone line. Calculate the induced voltage per kilometer in the telephone line.
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