- Ohmic devices have constant resistance independent of voltage or current. - Non-ohmic devices have resistance that varies with voltage or current. - Metal conductors are typically ohmic (assuming constant temperature). - Semiconductor devices like diodes and transistors are typically non-ohmic.
Which one of the following devices is non- ohmic ?
Asked in UPSC NDA 1 2018 · Topic: Electric Current (Ohm's Law, resistance, resistivity, and conductivity)
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