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Physics
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Physics
Resistance
Physics
Question
Resistance
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Ohm's law
Potential difference flowing through a conductor is directly proportional to the electric current when the temperature and other physical properties are kept constant
Ohmic conductor
Conductor which obeys Ohm's Law (Resistance constant)
Non-ohmic conductor
Conductor which does not obeys Ohm's Law (Resistance constant)
Factors that affect the resistance of a wire
Length of wire, cross-sectional area of wire, resistivity of the wire
Resistivity of a conductor
A measure of a conductor's ability to oppose the flow of electric current
Equation of Ohm's law
V = IR
Example of non-ohmic conductor
Filament bulb
Example ohmic conductor
Constantan wire
The resistivity of the wire and Length of the wire will affect
The resistance of a wire
Potential difference flowing through a conductor is directly proportional to the electric current when the temperature and other physical properties are kept constant. is the definition for
Ohm's Law
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Resistance
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