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Resistance is inversely proportional to cross-sectional area. so ,if the thickness of the wire increases, the area of cross-section increases and this results in decrease of the resistance.

The resistance R = l p / A

where R is the resistance, l is the length of the wire, p(rho) is the electrical resistivity of the material and A is the area of cross section.

So R the resistance is inversely proportional to A the area of cross-section. If R increases

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11y ago
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14y ago

Decrease. Resistance is inversely proportional to the cross-sectional area.

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14y ago

The larger the wire the less resistance as a rule. Temperature, loading and material can have a large affect also.

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Q: How does thickness of a wire affect resistance?
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Related questions

What can affect the resistance of a wire?

The thickness


How does the thickness of the wire affect resistance?

A thicker wire has less resistance than a thinner wire.


How does the thickness of wire affect the resistance?

A thicker wire has less resistance than a thinner wire.


Does thickness of wire affect resistance?

yes.it affect.because thick wire cannot hold high resistance of current


What are factors that affect resistance of electricity?

Temperature, thickness, length and type of wire.


How does the thickness of the wire affect a generators strength?

A thicker wire reduces electrical resistance (as does a shorter wire), so more energy will be transported if a thick wire connects a generator to its destination.


How does wire thickness affects resistance?

Increasing wire thickness decreases its resistance, while increasing its length increases its resistance. Provided the voltage between the ends of the wire is constant, the current through it is inversely proportional to its resistance.


What is an Grade an answer to what affects the resistance in a wire?

*the resistivity of the metal the wire is made of *thickness of wire *length of wire


Does a longer wire equal resistance?

Wire is not equal to resistance. If you have two pieces of wire with the same thickness, composition, and temperature, the longer piece has higher electrical resistance.


Do bend in wire affect the resistivity?

no there will be no any affect on resistance of wire, when it bends


Would not reduce resistance in a copper wire?

Resistance will only be reduced by changing the thickness of the wire or the wire's temperature. It's apparent impedance can be changed by placing it in an electric field as well.


How does length affect resistance of a wire?

In general, the longer the wire the greater the resistance. The only time that this is not so is when the wire is a superconductor, in which case the resistance is always zero.