IGNOU BPHCT 133 2026 - What do you understand by linear conductors? Discuss the conditions un

Question

What do you understand by linear conductors? Discuss the conditions under which metals do not behave as linear conductors.

19 Jan 2026

Answer :

Word Count : 269

Linear conductors are electrical conductors in which the current through the conductor is directly proportional to the applied voltage, following Ohm’s law. In such conductors, the resistance remains constant over a range of applied voltages and currents, meaning the current-voltage (I–V) relationship is linear. Metals like copper, aluminum, and silver typically behave as linear conductors at normal temperatures because their free electrons move under an applied electric field with negligible scattering effects that would otherwise alter resistance significantly. The linearity arises due to the uniform distribution of conduction electrons and the relatively stable crystal lattice that minimizes

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