Electronic Principles
The dielectric constant of a material is a measure of:

None of these
the amount of voltage it can withstand before breaking down
how well the material concentrates magnetic lines of force
the amount of opposition to the current flow
how well the material concentrates electrostatic lines of force

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Electronic Principles
Which one of the following is a statement of Kirchhoffs current law?

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

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Electronic Principles
Current is

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

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