Q.

The heat produced at the contact point owing to flow of electric current is least affected by

  • ATemperature of the surrounding medium 
  • BContact resistance 
  • CMagnitude of electric current flowing
  • DDuration of flow of current 
Correct Answer : (A)

Temperature of the surrounding medium 

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The heat produced at the contact point owing to flow of electric current is least affected by Temperature of the surrounding medium.

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