The magnetic field in a solenoid of length $L$ around an iron core with $N$ turns is given by: $$ B = \mu \frac{NI}{L}.$$. Assuming some Ohm's law type of resistance in the wire we can replace $I$ with $V/R$ to get $$ B = \mu \frac{NV}{LR}.$$. So the magnetic field strength increases linearly with both the number of turns and the voltage. The resistance of a wire is given by. $$ R = \rho \frac{l}{A}, $$.(where $\rho$ is some material property of the wire, $A$ is the cross sectional area and $l$ is the length) so that $LR = \rho Ll/A$ and.ssuming some Ohm's law type of resistance in the wire we can replace $I$ with $V/R$ to get $$ B = \mu \frac{NV}{LR}. $$. So the magnetic field strength increases linearly with both the number of turns and the voltage. The resistance of a wire is given by. $$ R = \rho \frac{l}{A}, $$.
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Confidence votes 201. Salaries for nurses in Florida (or anywhere in the USA) are payed by the hour not on a per year basis. Starting salaries for RN's are between $19 to $24 dollars per hour depending on where you work (hospital, nursing home, doctors office, home care, ect.) and what you specialty is.onfidence votes 201. Salaries for nurses in Florida (or anywhere in the USA) are payed by the hour not on a per year basis. Starting salaries for RN's are between $19 to $24 dollars per hour depending on where you work (hospital, nursing home, doctors office, home care, ect.) and what you specialty is.