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

14 mA
12 mA
None of these
11 mA
10 mA

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Electronic Principles
The dielectric constant of a material is a measure of:

how well the material concentrates electrostatic lines of force
the amount of voltage it can withstand before breaking down
None of these
how well the material concentrates magnetic lines of force
the amount of opposition to the current flow

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Electronic Principles
The total capacitive reactance of a parallel capacitor circuit is:

equal to the sum of the individual capacitive-reactance values
equal to the source voltage divided by total current
None of these
equal to the sum of the individual capacitance values
less than the capacitance value of the smallest capacitor

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