183- Two long parallel wires are $20\,\text{cm}$ apart and carry electric currents of $10\,\text{A}$ and $5\,\text{A}$ in opposite directions. The wires repel each other and the repulsive force exerted on each wire per one meter of the other wire is how many newtons, and what is the direction of the currents relative to each other? $$\left(\mu_0 = 4\pi \times 10^{-7}\,\frac{\text{T}\cdot\text{m}}{\text{A}}\right)$$ (1) $5 \times 10^{-5}$ and in the same direction (2) $5 \times 10^{-7}$ and in the same direction (3) $5 \times 10^{-5}$ and in opposite directions (4) $5 \times 10^{-7}$ and in opposite directions %% Page 16 Physics120-CPage 15
\textbf{183-} Two long parallel wires are $20\,\text{cm}$ apart and carry electric currents of $10\,\text{A}$ and $5\,\text{A}$ in opposite directions. The wires repel each other and the repulsive force exerted on each wire per one meter of the other wire is how many newtons, and what is the direction of the currents relative to each other?
$$\left(\mu_0 = 4\pi \times 10^{-7}\,\frac{\text{T}\cdot\text{m}}{\text{A}}\right)$$
(1) $5 \times 10^{-5}$ and in the same direction \quad (2) $5 \times 10^{-7}$ and in the same direction
(3) $5 \times 10^{-5}$ and in opposite directions \quad (4) $5 \times 10^{-7}$ and in opposite directions
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