Related Questions

In an LC oscillator, the frequency of oscillator is ___________ L or C.
A Proportional to square of
B Directly proportional to
C Independent of the values of
D Inversely proportional to square root of
In a radio receiver, we generally use ___________ oscillator as a local oscillator
A Crystal
B Wien-bridge
C Phase-shift
D Hartley
একটি সরল দোলকের সুতার দৈর্ঘ্য 99 cm এবং এর দোলনকাল 2 sec হলে দোলক পিন্ডের ব্যাসার্ধ নির্ণয় কর। (The length of the string and period of oscillation of a simple oscillator are 99 cm and 2 sec, respectively. Find the radius of the oscillator.)
A 1.29 cm
B 7 mm
C 3.18 mm
D 0.28 cm
E 2.15 mm
Hartley oscillator is commonly used in ___________
A Radio receivers
B Radio transmitters
C TV receivers
D None of the above
An LC oscillator cannot be used to produce ___________ frequencies
A High
B Audio
C Very low
D Very high
The signal generator generally used in the laboratories is ___________ oscillator
A Wien-bridge
B Hartely
C Crystal
D Phase shift
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
The crystal oscillator frequency is very stable due to ___________ of the crystal
A Rigidity
B Vibrations
C Low Q
D High Q
In a phase shift oscillator, we use ___________ RC sections
A Two
B Three
C Four
D None of the above
An oscillator employs ___________ feedback
A Positive
B Negative
C Neither positive nor negative
D Data insufficient

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