Which two statements about an electric motor are true

Which statement correctly describes the relationship between frequency and wavelength?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th