A long wire carrying a $4\mathrm{.}0$ AA current perpendicular to the xy$-$plane intersects the x$-$axis at x$=2\mathrm{.}0$cmx$=2\mathrm{.}0$cm$.$ A second, parallel wire carrying a $3\mathrm{.}0$ AA current intersects the x$-$axis at x$=+2\mathrm{.}0$cmx$=+2\mathrm{.}0$cm$.$

Part A

At what point on the x$-$axis is the magnetic field zero if the two currents are in the same direction?

Express your answer in centimeters.

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xx $=$

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cmcm

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Part B

At what point on the x$-$axis is the magnetic field zero if the two currents are in opposite directions?

Express your answer in centimeters.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

xx $=$

nothing

cmcm