Related Questions

An LC oscillator can be used to produce..........frequencies
A very high
B high
C very low
D audio
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
The lower and upper cut off frequencies are also called ___________ frequencies
A Sideband
B Resonant
C Half-resonant
D Half-power
Frequencies above ___________ kHz are called radio frequencies
A 2
B 10
C 50
D 200
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
A band-stop filter passes frequencies between its lower and upper critical frequencies and rejects all others.
A True
B False
A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?
A 50 units
B 60 units
C 70 units
D 80 units
In a transmitter ___________ oscillator is used
A Hartley
B RC phase-shift
C Wien-bridge
D Crystal
Hartley oscillator is commonly used in ___________
A Radio receivers
B Radio transmitters
C TV receivers
D None of the above

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