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Question
Which of the following is an example of a Non-Ohmic material?
Options
Metallic wire
Resistor
Diode
Copper bus bar
MCQ
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Solution
Non-Ohmic materials, such as diodes and thermistors, exhibit a non-linear V-I relation and variable resistance. Ohmic conductors, like metallic wires and resistors, show linear V-I relations with constant resistance under fixed conditions.
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