#RESISTANCE PHYSICS CALCULATOR SERIES#
#RESISTANCE PHYSICS CALCULATOR FREE#

To calculate the resistance given by a material with specific length and thickness, we must apply the Ohm’s formula: This resistance can be increased or decreased depending on the material used. Therefore and from a Physics point of view, any device or material inserted into an electric circuit provokes resistance in the current flow. In both cases, the value of the conductor’s resistance could be affected by temperature. In both cases, the value of the voltage requires constant maintenance.Ĭonsequently, Ohm’s law works for circuits and passive circuit sections that a) have exclusively resistive loads (but not inductive or capacitive) or b) have a permanent regime. As the resistance increases, the current decreases, and as the resistance decreases, the current increases. The Watt formula, Ohms formula, and Ampere formula – Understanding Ohm’s Lawĭue to the existence of materials reduce the electric current flows through them, and when their resistance value changes, the value of the current intensity in amperes also varies inversely proportional. In a nutshell, the water flowing through a copper tube may be considered equal to the voltage flowing through the electric cable because it requires a force to drive it, and the resistance to this flow is measured in amperes.Īmpere : it is the standard unit of electrical current, which is produced by a pressure of one volt in a circuit having a resistance of one ohm.

Volt : it is the unit of electromotive force or electric pressure (B) regularly applied to a circuit having a resistance of one ohm, which produces a current of one ampere.

Put in other words, increasing the current flow with the same voltage will reduce the resistance. All circuits have a degree of opposition (or resistance) to the current flow, resulting in the Ohms formula R = V/I.

Ohm : it is the unity of electric resistance, and one ohm is equal to one ampere of current that flows when a voltage of one volt is applied.

The unit of resistance is the ohm (R o Ω ), meaning that the resistance offered by a conductor when an ampere (intensity) circulates through it and between its extremes, gives a potential difference (voltage) of one volt.

#RESISTANCE PHYSICS CALCULATOR FREE#

Electric resistance : it is the opposition or difficulty found by a current in a closed circuit, which reduce the free flow of electrons.Nevertheless, the top-notch tribute was naming the electric resistance unit after him, Ohm. Nowadays, this investigation led to a law which carries his name.ĭue to that, Ohm received many acknowledgments and tributes: Munich University granted him the Chair of Professor of Physics in 1849, and the Royal Society – London acknowledged him with the Copley medal in 1941.

#RESISTANCE PHYSICS CALCULATOR SERIES#

He did a vast investigation in the galvanic series field, discovering some voltage and current values that were flowing through simple electric circuits. In maths language, it’s translated as V = IRīefore any resistance calculator was created, the Ohm’s Law was born in 1827 by the German physicist Georg Simon Ohm. However, it is not an electromagnetic law as Gauss’ law. In consequence, the Ohm’s law focuses on the property of some materials. That is to say, “R” is the constant and independent unit of the current “V” has a minor current fluency at a higher resistance, and “I” is directly proportional to the applied voltage and inversely proportional to its resistance.

Resistance physics calculator