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Question: Answered & Verified by Expert
Assertion : It is advantageous to transmit electric power at high voltage.
Reason : High voltage implies high current.
PhysicsCurrent ElectricityAIIMSAIIMS 2010
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion
  • B If both assertion and reason are true but reason is not the correct explanation of assertion
  • C If assertion is true but reason is false
  • D If both assertion and reason are false.
Solution:
2260 Upvotes Verified Answer
The correct answer is: If assertion is true but reason is false
As $P=V i$, hence for the transmission of same power, high voltage implies less current. Therefore heat energy loses $\left(H=i^2 R t / 4.2\right)$ are minimized if power is transmitted at high voltage.

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