An investigation into how the diameter of a wire affects its resistance

Skill area P: Planning

What I am going to go over is how the diameter of a wire affects the resistance of the wire.

I plan to depart the diameter of the wire.

In order to keep it a fair shew I will need to keep the following things the alike(p):

-The same electric electric potential of electricity entering the circuit (I employ 6V)

-The length of the wire

-The temperature

-The type of wire

I have identified some hazards and I will deal with them as shown below:

Hazard 1: electrical energy: What I will do is make sure that the voltage never gets dangerously high to make sure that a) nonexistence is electrocuted and b) so that the wire does not get too sweltry as is may change the results of the experiment or person could burn themselves

When planning my investigation I will be making use of the following scientific knowledge:

Ohms faithfulness: An ohm is a unit used in the international administration of ginmillments to measure resistance. Ohms law states that resistance is inversely proportional to the cross-sectional area of the wire. The symbol for an ohm is the Greek letter omega (?). By definition, an ohm is equal to one volt creating one ampere in a device, abbreviated as V/A.



The equation to do work out the resistance any circuit is V/I = R, where V is the voltage of a device, I is the current, and R is the resulting resistance. In order to calculate Resistance using Ohms Law I will need to understand the following things:

Current: A measure of the commingle of electrons, expressed in amperes (A).

Voltage: Electric potential or potential difference, expressed in volts (V). It is the push and pull of the potential difference between two points, which causes electrical current to flow through...

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