Question:
A telephone cable at a place has four long straight
Last updated: 6/21/2023
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A telephone cable at a place has four long straight horizontal wires carrying a current of 1 0 Ain the same direction east to west The earth s magnetic field at the place is 0 39 G and the angle of dip is 35 The magnetic declination is nearly zero What is the resultant magnetic field at a point 4 0 cm below the cable