Ohm's Law is applicable only when temperature remains _?
Correct answer: C. Constant
- A. Changing
- B. Absolute zero
- C. Constant
- D. None of these options are correct
Explanation
We know that Ohm's Law is only applicable to linear resistances, where the resistance is the same with changes in voltage and current. If the temperature changes, the resistance changes too. So temperature must remain constant.
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About Current Electricity
Steady current relates charge flow to potential difference, resistance and resistivity, including how temperature changes a conductor's resistance. Sources with internal resistance have terminal voltage below their emf when delivering current, and maximum power output occurs under a specific load condition rather than at zero resistance.
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