Related Questions

What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna?
A Isolator
B Magnetron
C Simplex
D Circulator
Which antenna is a wideband antenna?
A Hertz antenna
B Marconi antenna
C Folded dipole
D None of the above
A Yagi antenna has a driven antenna
A Only
B With a reflector
C With one or more directors
D With a reflector and one or more directors
Which of the following are ferrite materials?
A U233 and Pu239
B U
C U238 and Pu239
D U238 and Th239
Ferrite material is
A The most fissionable material
B The basic fuel for nuclear paints
C Basic raw material for nuclear plants
D The material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material
A reactor capable of converting a ferrite material into fissile isotopes is called
A Regenerative reactor
B Fast breeder reactor
C Breeder reactor
D Boiling water reactor
A ferrite core has less eddy current loss than an iron core because
A Ferrites have high resistance
B Ferrites are magnetic
C Ferrites have low permeability
D Ferrites have high hysteresis
Steel containing ferrite and pearlite is
A Hard
B Soft
C Tough
D Hard and tough
Maximum percentage of carbon in ferrite is
A 0.025%
B 0.06%
C 0.1%
D 0.25%
During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to
A Time
B Square root of time
C Square of time
D Cube of time

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