2023
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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One with a low resistivity, no matter the temperature
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One where the current does not change based on potential energy
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One where the resistance is constant for any voltage applied across it
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Oh-my! that’s a hard question
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Detailed explanation-1: -Any material, component, or device that obeys Ohm’s law, where the current through the device is proportional to the voltage applied, is known as an ohmic material or ohmic component.
Detailed explanation-2: -A resistor is ‘Ohmic’ if as voltage across the resistor is increased, a graph of voltage versus current shows a straight line (indicating a constant resistance). The slope of the line is the value of the resistance. A resistor is ‘non-Ohmic’ if the graph of voltage versus current is not a straight line.
Detailed explanation-3: -The resistance of an ohmic conductor does not depend on the applied voltage i.e., the temperature remains constant.
Detailed explanation-4: -Ohmic materials have a resistance R that is independent of voltage V and current I. An object that has simple resistance is called a resistor, even if its resistance is small. Voltage Drop: The voltage drop across a resistor in a simple circuit equals the voltage output of the battery.