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state ohm’s law and write its mathematical form? and definr resistivity or specific resistance?

  state ohm’s law and write   its      mathematical form? and definr resistivity or specific resistance?

Grade:12th pass

5 Answers

SAI SARDAR
1700 Points
8 years ago
Ohm’s law states that the current through a conductor between two points is directly proportional to the potential difference across the two points. Introducing the constant of proportionality, the resistance, one arrives at the usual mathematical equation that describes this relationship:
                                                          ΔV = I • R.
Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) is an intrinsic property that quantifies how strongly a given material opposes the flow of electric current. A low resistivity indicates a material that readily allows the movement of electric charge.
BOLLU SRINIVAS
420 Points
8 years ago
ohm`s law:At constant temperature, the electric current flows through a conductor is proportional to the potential difference across its ends
BOLLU SRINIVAS
420 Points
8 years ago
mathemetical form of ohm’s law:V=iR
 
 
resistivity: resistivity of conductor of unit length and of unit area cross section is called resistivity or specific resistance.
vamshi
199 Points
8 years ago
Ohm's law states that the current through a conductor between two points is directly proportional to the potential difference across the two points. Introducing the constant of proportionality, the resistance.  one arrives at the usual mathematical equation that describes this relationship:
                                    I=V/R
RESISTIVITY : Resistivity is an intrinsic property that quantifies how strongly a given material opposes the flow of electric current. A low resistivity indicates a material that readily allows the movement of electric charge.
  resistivity also known as specific resistance.
 
chibuzor
13 Points
5 years ago
ohms law state that the current flowin through a methalic conductor is directly proportional to the potential diffrence l/vr

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