6 of 13

C-144 minutes
D:-2.6 hours
Correct Answer:- Option-C
Question41:-Candela is the unit for
Actight flux
B:-Luminous intensity
C:-Wavelength
D-Luminous efficiency
Correct Answer:- Option ®
Question42::Which of the following is ೧೦೭ true in case of 050,
‘AcThe waveforms are stored in memory to enable them to be processed as needed
B:-The accuracy of DSO is higher than that of analogue scopes
C=it is possible to programme the DSO to high level of functionality
Ds-t has low input impedance which enables the conversion of ADC faster
Correct Answer:- Option-D
Question43:-Manganin is the alloy of
‘A-Copper, Manganese and Nickel
B:-Copper, Magnesium and Nickel
C-Manganese, Gallium, Nickel and Iron
D-Manganese, Copper Gallium, Nickel
Correct Answer:- Option-é
Question44::Which type of transducer is generally used in electronic weighing machines
‘Acinductive
B:-Capacitive
CeResistive
D-All of the above
Correct Answer:- Option-C
Question45:-What will be the output when one of the Zener diode short.in the zener diode peak clipper
‘A: Only one half cycle in the output which resembles halfwave rectifier output
B:-No output due to the short circuited zener diode
C-The output is only the peak portion of one half cycle
The output is the peak clipped halfwave output
Correct Answer:- Option-D
Question46:-At room temperature, a silicon crystal act like
‘AConductor
Bs-Insulator
C-Semiconductor
Super conductor
Correct Answer:- Option ®
Question47::Which of the following solid state device is fastest
ABT
2:687
11೦೦೯೯7
5:58
Correct Answer:- Option-C
Question4::Which of the following is nat true in companding
‘A-Compressing the signal before input to an Analog to digital converter
B:-Which expanding the signal after a Digital to analog converter
Colt increases the signal to noise ratio (SNR) at rreduced bit rates

D:-Higher SnR can be achieved by uniform quantization rather than non uniform