Basic Electronics
Some kind of rays were emitted from the cathode, called
proton rays
cathode rays
isotope’s rays
emission rays
cathode rays
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The number of electrons reaching the screen determines the screen’sA. size
B. brightness
C. frequency
D. amplitude
To display heartbeats, waveforms and measuring voltages we use
A. cystoscope
B. gastroscope
C. microscope
D. cathode-ray oscilloscope
The cathode rays carry
A. positive charge
B. neutral
C. negative charge
D. positrons
An alternating voltage varying between the maximum value of +5V and the minimum value of โ5V is
A. digital signal
B. analogue signal
C. Wi-Fi signal
D. current signal
For thermionic emission, the voltage applied should be of
A. 5 V
B. 7 V
C. 8 V
D. 6 V
NAND operation is simply AND operation followed by
A. OR
B. NOR
C. AND
D. NOT
NOT gate is also called
A. fusioner
B. diverter
C. convertor
D. inverter
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