Electronic Principles
Which one of the following statements regarding ac circuits is correct?

Current leads the voltage through a resistor
None of these
All of these
Current and voltages are in phase through a resistor
Current lags the voltage through a resistor

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Electronic Principles
Which one of the following statements is true for current flowing in a series circuit?

The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
The total current in a series circuit is equal to the total voltage multiplied by the total resistance
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
The same current flows through every part of a series circuit
None of these

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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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