Correct option is A
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Ohm's Law: Ohm's law states that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R). This relationship is typically expressed as:
V=I×R
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Linear Circuits: Ohm's law is applicable in linear circuits where the relationship between voltage, current, and resistance is constant. In these circuits, the resistance does not change with voltage or current.
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Non-Linear Circuits: In non-linear circuits, the relationship between voltage and current is not proportional; therefore, Ohm's law does not hold true across the entire range of operation.
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Semiconductor Devices: While some semiconductor devices may exhibit linear characteristics under certain conditions, they are generally considered non-linear due to their current-voltage characteristics.
