$8.[0/1$ Points$]$

SERPSE$731.$P$\mathrm{.}017.$SOLN. $0\mathrm{.}400$ s $,$ an emf of magnitude $80\mathrm{.}0$ mV is induced in the coil. What is the total length of the wire?

$9.[1/2$ Points$]$

SERPSE$731.$P$\mathrm{.}031.4.4\mathrm{.}0.\backslash (\backslash$mathrm$\{$m$\}/\backslash$mathrm$\{$s$\}\backslash ).$and $\backslash (2\mathrm{.}00\backslash$mathrm$\{$~m$\}/\backslash$mathrm$\{$s$\}\backslash ),$ respectively. A uniform magnetic field of magnitude $0\mathrm{.}0100$ T is applied perpendicular to the plane of the rails. Determine the magnitude and direction of the current in the $\backslash (5\mathrm{.}00\backslash$Omega $\backslash )$ resistor.

Enter a number

differs from the correct answer by more than $\backslash (10\backslash \%\backslash ).$ Double check your calculations. $\backslash (\backslash$mu $\backslash$mathrm$\{$A$\}\backslash )$