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
The bandwidth of C-band satellite frequency band in U.S.
A 500 GHz
B 1000 GHz
C 1000 MHz
D 500 MHz
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
What frequency range is used for microwave communications, satellite and radar?
A Low Frequency : 30 kHz to 300 kHz
B Medium Frequency : 300 kHz to 3 MHz
C Super High Frequency : 3000 MHz to 30000 MHz
D Extremely High Frequency :30,000 MHz
E None of the above
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
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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