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

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

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Electronic Principles
What is a negative ion?

An atom that contains more electrons than neutrons
None of these
An atom that contains more protons than neutrons
An atom that contains more protons than electrons
An atom that contains more electrons than protons

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