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

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

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

None of these
The current always has the same amplitude and phase for every part of the circuit
The total current. is greater than the sum of the currents for the resistance and capacitance
The total current is less than the sum of the currents for the resistance and capacitance
The total current is equal to the sum of the currents for the resistance and capacitance

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Electronic Principles
Current is

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

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Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

An electron has a positive charge and a proton has no charge
None of these
An electron has a negative charge and a proton has a positive charge
An electron has a negative charge and a proton has no charge
An electron has a positive charge and a proton has a negative charge

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Electronic Principles
Which one of the following statements is true?

None of these
Power dissipation of a pure capacitor increases with operating frequency
Power dissipation of a pure capacitor decreases with operating frequency
There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency
All of these

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