Which of the following properties is NOT directly accessible to experimental measurement?
A)current
B)voltage
C)cross-sectional area
D)conductivity

Question

Quizplus · Accepted Answer

Conductivity is not directly measurable; it is calculated from direct measurements of other quantities such as current, voltage, and dimensions of the material (e.g., length and cross-sectional area) using Ohm's law and its derivatives.

Which of the Following Properties Is NOT Directly Accessible to Experimental