Electronic Principles
In a pure inductor:

None of these
ac current lags the voltage by 90 degree
ac current leads the voltage by 90 degree
ac current is converted to dc voltage
ac current and voltage are exactly in phase

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Electronic Principles
Molecule is

A atom that has a shortage of electrons in its outer orbit
None of these
A atom that flows whenever there is an imbalance of electrical charges between two points
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

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

None of these
The total current is equal to the sum of the currents for the resistance and capacitance
The current always has the same amplitude and phase for every part of the circuit
The total current. is greater than the sum of the currents for the resistance and capacitance
The total current is less than the sum of the currents for the resistance and capacitance

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