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Define ohm’s law?

5 years ago

5 years ago

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5 years ago

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5 years ago

The predominant equation which pervades the study of electric circuits is the equation

In words, the electric potential difference between two points on a circuit (**ΔV**) is equivalent to the product of the current between those two points (**I**) and the total resistance of all electrical devices present between those two points (**R**).

this is cslled ohm’s law equation.

5 years ago

ohms law can be stated as follows.

The current density(J) across a conductor is directly proportinal to the Electric field(E) applied across the conductor.

The proportinality constant is Conductivity(Sigma)

ohms law :

V = I R can be deduced from the above equation.

5 years ago

5 years ago

5 years ago

Ohms law is the besic law in electric current which is given by george simon ohm,

it states that when the equilibrium condition is maintained and with constant temp and pressure the potential diffrence applied across the end of the wire is directly proportional to the electric current .

QUANTITATIVLY , u can say that V IS DIRECTLY PROP TO I

AND BY REMOVING THE proportionality sign u will get the following expression

V=RI

WHERE the symbols have their usual meaning

v= potential diff applied across wire

r= proportionality constant,, resistance (unit- ohm)

i= current flowing in the cross sectional area of wire..

HOPE IT HELPS

it states that when the equilibrium condition is maintained and with constant temp and pressure the potential diffrence applied across the end of the wire is directly proportional to the electric current .

QUANTITATIVLY , u can say that V IS DIRECTLY PROP TO I

AND BY REMOVING THE proportionality sign u will get the following expression

V=RI

WHERE the symbols have their usual meaning

v= potential diff applied across wire

r= proportionality constant,, resistance (unit- ohm)

i= current flowing in the cross sectional area of wire..

HOPE IT HELPS

5 years ago

AT CONSTANT TEMPERATURE THE POTENTIAL DIFFERANCE APPLIED ACROSS A CONDUCTOR IS DIRECTLY PROPORTIONAL TO CURRENT V=ir

5 years ago

The potential difference (voltage) across an ideal conductor is proportional to the current through it. The constant of proportionality is called the "resistance", **R.**

Ohm's Law is given by:

where V is the potential difference between two points which include a resistance R

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