span style$=$ "color:rgb$(0,0,0)$;font$-$family:verdana, arial, sans$-$serif;font$-$size:$12$px;$">$ A coil with $199$ turns has a magnetic flux of $64\mathrm{.}3$ nT$$m$2$through each turn when the current is $2\mathrm{.}30$ mA$.($a$)$What is the inductance of the coil? What are the$($b$)$inductance and$($c$)$flux through each turn when the current is increased to $4\mathrm{.}91$ mA$?($d$)$What is the maximum emf across the coil when the current through it is given by$$i$=(3\mathrm{.}61$ mA$)$cos$($t$),$ where $=185$ rad$/$s$?$