Electronic Principles
At room temperature an intrinsic semiconductor has

No holes
None of these
many free electrons
many holes
a few free electrons and holes

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Electronic Principles
The rms value of a sine waveform is:

equal to 1.41 times the peak amplitude
the time required to complete one full cycle
equal to 0.707 times the peak amplitude
the number of cycles completed in one second
None of these

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Electronic Principles
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?

1000 V and a series resistance of 10 k Ohm
100 V and a parallel resistance of 10 k Ohm
1000 V and a parallel resistance of 10 kOhm
None of these
100 V and a series resistance of 10 k Ohm

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Electronic Principles
Which one of the following statements is true for voltage in a series circuit?

The total voltage of a series circuit is equal to the total current divided by the total resistance
The total voltage in a series circuit is always less than the value of the smallest voltage
None of these
The total voltage is equal to the sum of the individual voltages in a series circuit
The total voltage in a series circuit is equal to the average value of the individual voltages

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