What causes a magnetic field to form around certain metals, such as iron?
a. the majority of the domains are aligned.
b. the majority of the protons are aligned.
c. the majority of non-metal atoms are aligned.
d. the majority of the atoms have been acted upon by gravity.

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 26 mm and 103 mm. the electric potential of the inner conductor with respect to the outer conductor is - 700 v (k = 1/4πε 0 = 8.99 × 109 n · m2/c2) the energy stored in a 1.0-m length of this capacitor is closest to