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Two long parallel wires 10.0 cm apart carry currents of 3.0 A and 2.9 A in...

Two long parallel wires 10.0 cm apart carry currents of 3.0 A and 2.9 A in the same direction. Is there any point between the two wires where the magnetic field is zero?

a.

yes, 4.9 cm from the 3.0-A wire
b.

no.
c.

yes, 5.1 cm from the 2.9-A wire
d.

yes, midway between the wires
e.

yes, 5.1 cm from the 3.0-A wire
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