Question

GROUP A O
Answer the question in One Word
What is the minimum value of charge that can be
given to a body?
Is Coulomb's force a central force ?
What is the nature of electrification of a glass rod,
when it is rubbed with silk?
What is the nature of charge developed over an
ebonite rod when it is rubbed with cat skin?
Does the force between two charges depend upon
the nature of the medium hotu​

Answer 1

Answer:

I don't know please say any please ask any other question

Answer 2

Answer:

One big advantage to an MRI scan is that there is no exposure to radiation as in the case with X-rays, CT scans, and PET scans. ... MRI also has the advantage over X-ray because it can identify swelling and inflammation. It can show both three-dimensional and cross-sectional images of the body.