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
The core of an electromagnet is said to be in saturation when:

changing the polarity of the current in the coil changes the polarity of the magnetic field around the core
frequent changes in the direction of current through the coil causes heating effects in the core material
the core is permitted to move freely within the coil
an increase in current through the coil causes no further increase in the mmf
None of these

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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 same current flows through every part of a series circuit
The total current in a series circuit is equal to the total voltage multiplied by the total resistance
None of these
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit

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Electronic Principles
The total capacitance of a series capacitor circuit is:

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

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