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| Q. |
Ohm’s law obeyed in - |
| A. | a metallic conductor |
| B. | a semi conductor |
| C. | an electron tube |
| D. | in all of the above |
| Answer» A. a metallic conductor | |
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Explanation: There are, however, components of electrical circuits which do not obey Ohm's law; that is, their relationship between current and voltage (their I–V curve) is nonlinear (or non-ohmic). |
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