If an object sinks in a fluid, the buoyant force is the weight of the object. a.greater thanc. the same asb. less than

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

v=ir = 3x15 =45 v