Resistance Cross Sectional Area

Resistance also depends on the material of the conductor.

Resistance cross sectional area. First find the diameter of the wire. Resistivity is a property of materials. Wire gauge diameter area and.

More area of the conductor leads to an efficient flow of electric current through more area and consequently decreases the resistance. What this means is that r will decrease with an increase in the area of conductor and vice versa. The resistance r is certainly inversely proportional to the area of cross section of a particular conductor.

Use the formula above to calculate the width if the awg is known. This can be attributed to the lower amount of resistance that is present in the wider pipe. Water will flow through a wider pipe at a higher rate than it will flow through a narrow pipe.

By applying axial load which is lesser than the yield strength of the metallic wire we can expand it elastically even at this point care should be taken not to cross the yield stress at which point the material will undergo reduction in cross. Where ρ is the resistivity of the resistor material w m l is the length of the resistor along direction of current flow m and a is the cross sectional area perpendicular to current flow m 2. Do electron get more area to flow.

We can think in that way but the main cause is no. Second the cross sectional area of the wires will affect the amount of resistance. The resistivity and conductivity are proportionality constants and therefore depend only on the material the wire is made of not the geometry of.

The resistance of 10 meter gauge 17 copper wire with cross sectional area 1 04 mm2 can be calculated as r 1 7 x 10 8 ω m 10 m 1 04 mm2 10 6 m2 mm2 0 16 ω example cross sectional area and resistance. So as you increase the thickness resistance decreases. Resistance cross sectional area.