Question Set

1. A coil has a designed for high Q performance at a rated voltage and a specified frequency. If the frequency of operation is doubled, and the coil is operated at the same rated voltage, then the Q factor and the active power P consumed by the coil will be affected as follows.





Ask Your Doubts Here

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

Comments

  • By: guest on 02 Jun 2017 12.54 am
    ω2L = 2ω1L, R remains constant ∴ Q2 = = 2Q1 i.e. Q is doubled for a high a coil ωL >> R ∴ i.e. P decreases 4 times.
Show Similar Question And Answers
QA->A charge of current in neighbouring coil will induce (contribute) a voltage (emf) in a coil is termed as?....
QA->If the absolute temperature of a perfectly black body id doubled, then its rate of radiation increases by a factor of?....
QA->If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same?....
QA->If a stay order has been granted by the High Court in a case, the application of the affected party by such an order shall be disposed of by the High Court within a period of?....
QA->A man is facing East, then the turns left and goes 10 m, then turns right and goes 5 m, then goes 5 m to the South and from there 5 m to West. In which direction is he, from his original place ?....
MCQ->A coil has a designed for high Q performance at a rated voltage and a specified frequency. If the frequency of operation is doubled, and the coil is operated at the same rated voltage, then the Q factor and the active power P consumed by the coil will be affected as follows.....
MCQ->A certain network has two ideal voltages sources and a large number of ideal resistances. The power consumed in one of the resistances is 4 W when either of two sources is active and the other source is active and the other source is short circuited. When both sources is short circuited.When both sources are active, the power consumed in the same resistor would be....
MCQ->Statements : No star is a cone. Some cones are triangles. All kites and stars. Conclusions : I. All stars are kites. II. At least some triangles and stars. (1) Only Conclusion I follows (2) Only Conclusion II follows (3) Either Conclusion I or Conclusion II follows. (4) There is possibility that some stars are triangles. (5) Neither Conclusion I nor Conclusion II follows.....
MCQ->Statements: Some pins are needles. All needles ae swords. Some swords are knives. Conclusions : I. All swords being pins is a possibility. II. No neele being knife is a possibility. (1) Only Conclusion I follows (2) Only Conclusion II follows (3) Either Conclusion I or Conclusion II follows (4) Neither Conclusion I nor Conclusion II follows (5) There is possibility that some pins are knives.....
MCQ->The acidification of oceans is increasing. Why is this phenomenon a cause of concern? 1. The growth and survival of calcareous phytoplankton will be adversely affected. 2. The growth and survival of coral reefs will be adversely affected. 3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.4. The cloudseeding and formation of clouds will be adversely affected. Which of the statements given above is/are correct?....
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