The distance between the two straight long currents (out of the page) is r = 7.6 cm (see figure). The magnetic field at point P is zero. How far is point P from the left current, in cm?
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The distance between the two straight long currents (out of the page) is r = 7.6 cm (see figure). The magnetic field at point P is zero.
How far is point P from the left current, in cm?
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