Related Questions

In a radio receiver, we generally use ___________ oscillator as a local oscillator
A Crystal
B Wien-bridge
C Phase-shift
D Hartley
In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________
A Remains the same
B Is lowered
C Is raised
D None of the above
You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?
A show running-config
B show startup-config
C show interfaces
D show protocols
In a TRF radio receiver, the RF and detection stages are tuned to ___________
A Radio frequency
B IF
C Audio frequency
D None of the above
Double tuned circuits are used in ___________ stages of a radio receiver
A IF
B Audio
C Output
D None of the above
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
What is the local oscillator (mixer) frequency of the satellite with an uplink frequency in GHz band?
A 3500 MHz
B 4500 MHz
C 2225 MHz
D 2555 MHz
In a broadcast superheterodyne receiver, the
A Local oscillator operates below the signal frequency
B Mixer input must be tuned to the signal frequency
C Local oscillator frequency is normally double the IF
D RF amplifier normally works at 455 kHz above the carrier frequency
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
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.

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