In an experiment, a thin sheet of material A, B, or C was used to divide two objects of different temperature. In each trial, the conditions were
identical except for the material of the thin sheet. The data table shows the times in which the objects reached thermal equilibrium.
Which material, if any, is the best thermal insulator?

material B

material A

All three are equal insulators.
material

Material c

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.