[Solved] The heat produced at the contact point owing to flow of electric current is least affected by_____________________.

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Q.	The heat produced at the contact point owing to flow of electric current is least affected by_____________________.
A.	Temperature of the surrounding medium.
B.	Contact resistance.
C.	Magnitude of electric current flowing.
D.	Duration of flow of current.
Answer» A. Temperature of the surrounding medium.

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