The power cable for an electric trolley (Fig 20-64) carries a horizontal current 0f 330 A toward

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The power cable for an electric trolley (Fig 20-64) carries a horizontal current 0f 330 A toward the east. The Earth€™s magnetic field has a strength 5.0 X 10-5 T and makes an angle of dip of 220 at this location calculation magnitude and direction of the magnetic force on a 15-m length of this able.



1= 330 A
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