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OpenStudy (anonymous):
how to sketch graph of v/v against i/a which obeys ohms law?
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OpenStudy (anonymous):
|dw:1314245621092:dw|
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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