D:-White
Correct Answer:- Option-D
Question56:-A half wave dipole at a frequency of 200 MHz has a length of
A:-200 metre
B:-1.5 metre
C:-3 metre
0:-6 गी
Correct Answer:- Option-B
Question57:-The thickness of PCB used for surface mount devices is
A:-0.8 mm to 1 mm
B:-1.5 mm to 2 mm
C:-0.2 mm to 2 mm
D:-above 2 mm
Correct Answer:- Option-A
Question58:-Which of the following is not a feature or advantage of FPGS over micro controller
A:-FPGA doesn't have a fixed hardware structure
B:-Ability of parallel processing
C:-Process larger data with few clock cycle
D:-Low cost
Correct Answer:- Option-D
Question59:-The LEDs operate in visible range, only when the semiconductor should have the band gap energy
A:-Above 3.2eV
B:-Between 1.4 to 3.0eV
C:-Less 130 ‏/ا18‎
‎D:-Between 1eV to 1.32eV
Correct Answer:- Option-B
Question60:-Which of the following is a photo emissive material
A:-Selenium
B:-Telurium
C:-Polonium
D:-Cesium silver
Correct Answer:- Option-D
Question61:-Which of the following is a non-renewable source of energy
A:-Tidal power
B:-Geothermal energy
C:-Nuclear energy
D:-Wind power
Correct Answer:- Option-C
Question62:-The electrical apparatus that provides power to load when mains power fails is known as
A:-USB
B:-UPS
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D:-UPC
Correct Answer:- Option-B
Question63:-Which one of the following is an impact printer
A:-Dot matrix
B:-Inkjet
மனா
D:-None of these
Correct Answer:- Option-A
Question64:-The maximum operating voltage of LCD panel may be
A:-100v
B:-10v
[வ
0:-0.1४
Correct Answer:- Option-C
Question65:-The maximum usual idagonal six of the LCD panel is
A:-160cm
B:-260cm