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Electronic Principles MCQ
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Question 1 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
In an intrinsic semiconductor, the number of free electrons
Equals the number of holes | |
Is less than the number of holes | |
Is greater than the number of holes | |
Impossible to say |
Question 2 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
A device that converts mechanical into electrical energy is?
solar cell | |
thermocouple | |
chemical cell | |
generator |
Question 3 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
Which one of the following kinds of materials has the lowest permeability?
A diamagnetic material | |
A paramagnetic material | |
A feiTomagnetic material | |
All of the above |
Question 4 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
The total impedance of a parallel RLC circuit:
always increases as the applied frequency increases | |
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance | |
always decreases as the applied frequency increases | |
is maximum at the resonant frequency |
Question 5 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
The rise time of a pulse waveform is the time required for the voltage to rise:
from zero to its rms value | |
from zero to its peak value | |
from 10% of the peak value to 70.7% of the peak value | |
from 10% of the peak value to 90% of the peak value |
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There are 5 questions to complete.
