How do you find the resistance of A cube?

The traditional method used involves recognizing sets of equipotential points within the vertices of the cube, then shorting them together to enable calculation of parallel resistances. Finally, those resistances are added in series to arrive at the resulting equivalent resistance.

How do you find the resistance of A material?

The resistance of a cylindrical segment of a conductor is equal to the resistivity of the material times the length divided by the area: R≡VI=ρLA. The unit of resistance is the ohm, Ω. For a given voltage, the higher the resistance, the lower the current.

How do you determine the resistance of A wire?

Specific Resistance (”ρ”) is a property of any conductive material, a figure used to determine the end-to-end resistance of a conductor given length and area in this formula: R = ρl/A. Specific resistance for materials are given in units of Ω-cmil/ft or Ω-meters (metric).

Why do different materials have different resistivity?

The resistance of a given wire depends upon its cross-sectional area and its length. It is four times easier for the electrons to travel through a wire that has twice the diameter of another wire. Conversely, the longer the wire is, the more resistance the electrons encounter.

What is the relationship between resistance and cross sectional area?

The relationship between resistance and the area of the cross section of a wire is inversely proportional . When resistance is increased in a circuit , for example by adding more electrical components , the current decreases as a result.

What is the difference between resistance and specific resistance?

13: Write the comparison between resistance and specific resistance of a conductor….Answer:

Resistance	Specific resistance
2. It depends on length and area of cross of the conductor.	2. It does not depend on length and area of cross section of conductor.
3. Its unit is ohm (Ω)	3. Its unit is ohm × meter ()