Machine-translated by Google. Questions are authored in English.
Top

Discussion

Assertion: radiation resistance dissipates no heat. Reason: it is not a real resistance but accounts for power leaving as radiation.

  • A.both the assertion and the reason are true but the reason does not explain the assertion
  • B.the assertion is true but the reason given for it is false
  • C.the assertion is false although the reason offered is a true statement in itself
  • D.both the assertion and the reason are true and the reason explains the assertion

Answer: D

The power it absorbs from the source is carried away by the wave rather than converted to heat in the antenna, though the source cannot tell the difference. An antenna also has a real loss resistance, and the ratio of the two is its efficiency.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.