Electronic Principles
Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode

None of these
10 mA
14 mA
12 mA
11 mA

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Electronic Principles
The period of a waveform is:

the time required for the voltage to rise from 10% to 90% of the peak amplitude
None of these
the number of cycles completed in one second
the time required to complete one full cycle
equal to 0.707 times the peak amplitude

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Electronic Principles
The rms value of a sine waveform is:

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

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