Basic Electronics
Across 2 parallel metal plates placed horizontally separated by some distance, we can set up the electric field by applying a
magnetic difference
potential difference
electronic difference
emission rays
potential difference
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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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