The index of refraction of a transparent substance is 1.7, and the speed of light in air is 3.00 · 108 s. calculate the speed of light in the transparent substance.

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.

the answer is mosques. they are an important part of islamic culture.