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If a coil of cable ,50m in length has a conductor resistance of 0. 275W,calculate the value for 800m of the same cable

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If a coil of cable ,50m in length has a conductor resistance of 0. 275W,then the value of resistance for 800m of the same cable will be 4.4 ohms.

What is resistance?

The opposition to current flow in an electrical circuit is measured by resistance. The Greek letter omega represents the unit of measurement for resistance, known as ohms. Georg Simon Ohm (1784–1854), a German physicist who investigated the connection between voltage, current, and resistance, is the name given to the unit of resistance.

what is conductance?

the ratio of a conductor's current to potential difference, which measures how well a thing conducts electricity. This is the resistance' inverse, and it is measured in siemens.

as we are given with;

Length=50m

Resistance=0.275W

we got Formula;

Resistance=pL/A

p/A=R/A

p/A=0.275/50

=0.0055

Now for 800m wire

R= p/A(800)

R=0.0055x800

R=4.4 ohms

to learn more about resistance visit:

https://brainly.ph/question/564497

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