Related Questions

Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold
A 220 Ohm, 5%
B 220 Ohm, 10%
C 22,000 Ohm, 5%
D 22, 000 Ohm, 10%
E None of the above
In an SHF pulsed radar set, a reflex klystron can be used as a
A Single mixer stage
B Local oscillator
C Transmitter oscillator
D Duplexer stage
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
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
For accurate work, the steel band should always be used in preference to chain because the steel band
A is lighter than chain
B is easier to handle
C is practically inextensible and is not liable to kinks when in use
D can be easily repaired in the field
Which of the following represents examples of an IT input device, output device and storage device respectively ?
A bar code reader, CD drive, projector
B keyboard, monitor, hard disc
C printer, DVD drive, joystick
D printer, mouse, monitor
সুপরিবাহী পদার্থে Valence Band এবং conduction band-
A আলাদা থাকে
B ওভারল্যাপ থাকে
C অনেক দূরে থাকে
D কোনটিই নয়
The forbidden energy gap between the valence band and conduction band will be least in case of
A Metals
B Semiconductors
C Insulators
D All of the above

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