Electronic Principles
What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm

45 degree
180 degree
75 degree
None of these
30 degree

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Electronic Principles
Molecule is

A atom that has a shortage of electrons in its outer orbit
A atom that has an excessive number of electrons in its outer orbit
The smallest particle of a substance that retains the properties of that substance
A atom that flows whenever there is an imbalance of electrical charges between two points
None of these

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Electronic Principles
Which one of the following statements applies to common auto batteries?

Auto batteries are primary dry-cell batteries
Auto batteries are secondary dry-cell batteries
Auto batteries are primary wet-cell batteries
None of these
Auto batteries are secondary wet-cell batteries

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Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

doubles the amount of current through the inductors
None of these
increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
has no effect on the current through the inductors
cuts the current through the inductors one-half

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Electronic Principles
Which one of the following statements best applies to a parallel RLC circuit?

None of these
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
All of these
The current waveform for each component always has the same amplitude and phase as the applied current
The sum of the current is always less than the applied current

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