1.

What effect will be seen on the resistance of a wire if we increase the frequency?(a) it will also increase(b) it starts to decrease(c) it will remain same(d) it starts changing periodicallyI had been asked this question by my college professor while I was bunking the class.Origin of the question is Frequency Translation topic in chapter Modulation of Analog Communications

Answer» CORRECT answer is (a) it will ALSO increase

Easy explanation: Skin effect becomes more and more apparent as FREQUENCY increases as skin depth becomes smaller. It is due to alternating current flowing through the outer surface of conducting material. It REFERS to the increase of wire resistance with frequency.


Discussion

No Comment Found

Related InterviewSolutions