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The reverse leakage current in a silicon diode,

A) doubles for each 10° C rise in temperature

B) remains constant in all temperature

C) slightly changes with temperature
)

D) doubles for each 25° C rise in temperature

Arsenic is

A) acceptor impurity B) N type semiconductor
C) donor impurity D) P type material

Air core transformers used in high frequency application because

A) these will have no copper loss B) these are large in size
C) these will have no iron loss D) none of the above

In Digital Storage Oscilloscope, the purpose of sampling is
A) control time base signal

B) convert analog signal to digital signal

C) convert digital signal to analog signal

D) visualize the signal on screen

Which function makes a stable waveform displayed on the DSO screen ?
A) Auto set function B) Triggering function
C) Saving a setup function D) Recalling a setup function

The overall operations of the digital storage oscilloscope is controlled by
A) using discrete components

B) using diodes and transistors

C) using integrated circuits and transistors

D) using microprocessors

What is the advantage of the DSO ?
A) electron beam moves across the screen
B

) make measurement of digital data
C) store digital data for later viewing
)

D) process signals in analog format