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Physics 16 Online
OpenStudy (anonymous):

how to sketch graph of v/v against i/a which obeys ohms law?

OpenStudy (anonymous):

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OpenStudy (anonymous):

also how to sketch VI graph for non-ohmic conductors ; filament lamp, thermistor and semicond diode?

OpenStudy (anonymous):

The Ohm's law -curve is just a straight slope going through origo. In your picture, the slope of the curve is dV/dI=R (the resistance). For nonlinear conductors, the curve is different. For example, for a diode it is an exponential curve with a steep rise near about 0.7-0.8 volts.

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