A potential difference of 12V exists between 2 parallel metal plates separated by 0.4 cm. Find the magnitude of the electric field strength. Please explain how to do this as well, thanks!

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor

Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.