Related Questions

capacitors are used for audio frequency and radio frequency coupling and tuning.
A Air
B Mica
C Plastic film
D Ceramic
A contractor employed 30 men to do a piece of work in 38 days. After 25 days , he employed 5 men more and the work was finished one day earlier. How many days he would have been behind, if he had not employed additional men?
A 1
B 114
C 134
D 112
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
The purpose of capacitors in a transistor amplifier is to ___________
A Protect the transistor
B Cool the transistor
C Couple or bypass a.c. component
D Provide biasing
In the d.c. equivalent circuit of a transistor amplifier, the capacitors are considered ___________
A Short
B Open
C Partially short
D None of the above
In the a.c. equivalent circuit of a transistor amplifier, the capacitors are considered ___________
A Short
B Open
C Partially open
D None of the above
___________ coupling is generally employed in power amplifiers
A Transformer
B RC
C direct
D Impedance
Transformer coupling is generally employed when load resistance is
A Large
B Very large
C Small
D None of the above

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