Electronic Principles
A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

16 V
15 V
8 V
7.5 V
None of these

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Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

An electron has a negative charge and a proton has no charge
An electron has a positive charge and a proton has a negative charge
None of these
An electron has a negative charge and a proton has a positive charge
An electron has a positive charge and a proton has no charge

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

The total voltage lags the total current by less than 90
The total voltages is less than the sum of the voltages across the resistance and inductance
None of these
The total voltage is equal to the sum of the voltages across the resistance and inductance
The voltage always has the same amplitude and phase for every part of the circuit

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