9. [-/4 Points]
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OSUNIPHYS1 29.5.WA.031.
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ASK YOUR TEACHER
PRACTICE ANOTHER
Consider the seven current-carrying wires and the four closed paths shown in the figure. For each of these paths ($C_1$, $C_2$, $C_3$, and $C_4$) determine the following in terms of $\mu_0$. Use standard sign convention for the currents; minus is down into the page and positive is up
out of the page. (Assume $I_1 = 3.00\text{ A}$, $I_2 = 6.00\text{ A}$, $I_3 = 6.00\text{ A}$, $I_4 = 7.00\text{ A}$, $I_5 = 9.00\text{ A}$, $I_6 = 6.00\text{ A}$, and $I_7 = 7.00\text{ A}$.)
(a) $\oint_{C_1} \vec{B} \cdot d\vec{s} = ($_____$\text{ })\mu_0$
(b) $\oint_{C_2} \vec{B} \cdot d\vec{s} = ($_____$\text{ })\mu_0$
(c) $\oint_{C_3} \vec{B} \cdot d\vec{s} = ($_____$\text{ })\mu_0$
(d) $\oint_{C_4} \vec{B} \cdot d\vec{s} = ($_____$\text{ })\mu_0$
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