PHY 202: Chapter 27: Current and Resistance questions well answered

PHY 202: Chapter 27: Current and
Resistance questions well answered

the rate of flow of charge through some region of space - correct answer ✔✔electric current



The SI unit of current is the - correct answer ✔✔ampere



It is common to refer to any moving charge as a - correct answer ✔✔charge carrier



the number of carriers times the charge per carrier - correct answer ✔✔total charge



In the presence of an electric field, in spite of all the collisions, the charge carriers slowly move along the
conductor with a - correct answer ✔✔drift velocity



current per unit area - correct answer ✔✔current density



states that for many materials, the ratio of the current density to the electric field is a constant σ that is
independent of the electric field producing the current. - correct answer ✔✔ohm's law



The constant of proportionality is called the - correct answer ✔✔resistance of the conductor



SI units of resistance are - correct answer ✔✔ohms



The inverse of the conductivity is the - correct answer ✔✔resistivity



Resistivity has SI units of - correct answer ✔✔ohms * meters