Electronic Principles
The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current?

7.8 µA
10.3 µA
7.75 µA
14.8 µA
None of these

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Electronic Principles
Molecule is

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 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

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

The total current in a parallel circuit is always less than the smallest amount of current
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
None of these
The same current always flows through every part of a parallel circuit

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

Like magnetic poles repel; unlike poles attract
None of these
Current flowing through a conductor generates a magnetic field
Like magnetic poles attract; unlike poles repel
Current is induced in a conductor that is moving through a magnetic field

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