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
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
A method of multiple accessing where a given RF channel bandwidth is divided inot smaller frequency band.
A CDMA
B ANIK-D
C TDMA
D FDMA
A band-pass filter rejects all frequencies within a band between a lower and an upper critical frequency and passes all others.
A True
B False
The frequency of Ku band for satellite communications.
A 4 - 8 GHz
B 12 - 18 GHz
C 8 - 12 GHz
D 26 - 40 GHz
What frequency range is the high frequency band?
A 3 kHz
B 3 to 30 MHz
C 30 to 300 MHz
D 10 GHz
A band-limited signal with a maximum frequency of 5 kHz is to be sampled. According to the sampling theorem, the sampling frequency which is not valid is
A 5 kHz
B 12 kHz
C 15 kHz
D 20 kHz
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
The current due to electron flow in conduction band is the hole current in valence band.
A Equal to
B Less than
C Greater than
D Any of the above

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