If a magnetic field is to exert a force on a current-carrying wire, the field must have some vector component:
a) parallel with the current
b) tangential to the current
c) concentric with the current
d) perpendicular to the current

Heterogeneous mixture with larger particles that never settle is

Why do different substances have diffrent properties

Assume that two of the electrons at the negative terminal have attached themselves to a nearby neutral atom. there is now a negative ion with a charge -2e at this terminal. what are the electric potential and electric potential energy of the negative ion relative to the electron? the electric potential and the electric potential energy are both twice as much. the electric potential is twice as much and the electric potential energy is the same. the electric potential is the same and the electric potential energy is twice as much. the electric potential and the electric potential energy are both the same. the electric potential is the same and the electric potential energy is increased by the mass ratio of the oxygen ion to the electron. the electric potential is twice as much and the electric potential energy is increased by the mass ratio of the oxygen ion to the electron.