Related Questions

In an RC coupling scheme, the coupling capacitor CC must be large enough ___________
A To pass d.c. between the stages
B Not to attenuate the low frequencies
C To dissipate high power
D None of the above
In RC coupling, the value of coupling capacitor is about ___________
A 100 pF
B 0.1 µF
C 0.01 µF
D 10 µF
The most costly coupling is ___________ coupling
A RC
B Direct
C Impedance
D Transformer
Which one among the following means tight coupling?
A Code Duplication
B Inheritance
C Encapsulation
D Polymorphism
Oldham’s coupling is used to connect two shafts which are
A intersecting
B parallel
C perpendicular
D co-axial
Coupling into and out of a traveling-wave tube can be accompanied by a
A Waveguide match
B Cavity match
C Direct coax-helix match
D All of the above
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.
A Sliding
B Turning
C Rolling
D Screw
In a flange coupling, the bolts are subjected to
A Tensile stress
B Compressive stress
C Shear stress
D None of these
The maximum power developed in a synchronous motor occurs at a coupling angle of
A 30°
B 60°
C 90°
D 180°
RC coupling is not used to amplify extremely low frequencies because
A There is considerable power loss
B There is hum in the output
C Electrical size of coupling capacitor becomes very large
D None of the above

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