Electronic Principles
Which one of the following is a statement of KirchhofFs voltage law?

The algebraic sum of voltages in a loop is equal to zero
None of these
The total voltage in a parallel circuit is less than the value of the smallest voltage
The algebraic sum of voltages entering and leaving a point is equal to zero
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it

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Electronic Principles
What is the difference between a conductor and an insulator?

None of these
An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all
The difference between conductors and insulators depends on how they are used
A conductor allows current to flow much easier than an insulator does
An insulator allows current to flow much easier than a conductor does

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Electronic Principles
Current is

The number of free electrons in an atom
An imbalance of electrical charges
None of these
The force that causes electrons to flow
The flow of charged particles through a material

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