Select four of the following that would increase the magnetic field of an electromagnet

What is the relationship between the wavelength of a wave and it's energy?

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

Find the mass by adding the numbers from the three sliders