1. Assertion (A): Ferrites are very useful at very high frequencies.Reason (R): Ferrites have high permeability and high resistivity.





Ask Your Doubts Here

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

Show Similar Question And Answers
QA->‘I have been touring different parts of the world. During these travels, I have had the good fortune to come into contact with several saints and maharshis. But I have frankly to admit that I have never come across one who is spiritually greater than Swami Sree Narayana Guru of Kerala” Whose words are these?....
QA->“During my travels throughout the world, I have had the good fortune to come in contact with several saints and maharishis... But I have frankly to admit that I have never come across one who is spiritually greater than Swami Narayana Guru or a person who is at par with him in spiritual attainment.” Who paid tribute in the above words after visiting Sree Narayana Guru?....
QA->A glass container cracks when very hot tea is poured into it. A probable reason for this is the?....
QA->To have a very high opinion of oneself....
QA->If the temperature of a semiconductor rises; what is its resistivity?....
MCQ->Assertion (A): Ferrites are very useful at very high frequencies.Reason (R): Ferrites have high permeability and high resistivity.

....
MCQ->The characteristics of H and V sync pulses in a colour TV receiver are H sync, pulses are narrow and have frequency of 15625 HzV sync, pulses are much wider and have frequency of 50 HzH and V pulses have almost the same size but frequencies of 15625 and 50 Hz respectivelyV sync, pulses are very narrow but H sync, pulses are wide and their frequencies are 15625 Hz and 50 Hz respectively Which of the above are correct?....
MCQ->Match the following: List I List II A.Mu Metal1.very high magnetic permeabilityB.Samrium/cobalt2.very high magnetic remanenceC.Sapphire3.very high thermal conductivityD.Ferrites4.very stable magnetic permeability

....
MCQ->Soil at a site consists of two layers. The top layer has permeability k units and bottom layer has permeability 5k units. If the thickness of both the layers is equal, then what is the average permeability in the vertical direction ?....
MCQ->Assertion (A): A band elimination filter attenuates signals whose frequencies lie between the cutoff frequencies.Reason (R): A band elimination circuit is very different from band pass circuit.

....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution