Question 161689
E = Volage (number of volts).
I = Current (number of amps).
R = Resistance (number of ohms).
 Use the formula:
{{{E = I*R}}} Solve for R.
{{{R = E/I}}} Substitute E = 12 V. and I = 0.25 Amps.
{{{R = 12/0.25}}}
{{{R = 48}}}Ohms.