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Draw V-I graph for ohmic and non-ohmic materials. Give one example for each. |
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Answer» Solution :V - I graph for ohmic material is shown in Fig. Example : COPPER WIRE, nichrome, aluminium etc. V-I graph for non-ohmic material is as shown in Fig.(a) and (B). It can have any SHAPE other than a straight line passing through the origin. Example : Junction diode, transistor, fluorescent tube etc. 
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