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What exactly is Ohm's Law?

Ohm's Law describes the way current flows through a material when different levels of voltage are applied. Some materials like electrical wires present little resistance to the current flow and this type of material is called a conductor. Hence if this conductor is placed directly across a battery for example, a lot of current would flow.

Ohm looked at the way current flowed in various materials and he was able to develop his law which we now call Ohm's Law.

Ohm's Law formula
The Ohm's Law formula or equation is very straightforward.

Ohm's law can be expressed in a mathematical form:

V=IR
Where:
V = voltage expressed in Volts
I = current expressed in Amps
R = resistance expressed in Ohms

@BasicElectronics

What exactly is Ohm's Law?

Ohm's Law describes the way current flows through a material when different levels of voltage are applied. Some materials like electrical wires present little resistance to the current flow and this type of material is called a conductor. Hence if this conductor is placed directly across a battery for example, a lot of current would flow.

Ohm looked at the way current flowed in various materials and he was able to develop his law which we now call Ohm's Law.

Ohm's Law formula
The Ohm's Law formula or equation is very straightforward.

Ohm's law can be expressed in a mathematical form:

V=IR
Where:
V = voltage expressed in Volts
I = current expressed in Amps
R = resistance expressed in Ohms

@BasicElectronics


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