Electronic Principles
What is the smallest number of polarities required for current flow?

Four - two negative and two positive
Three - negative, positive and neutral terminals
Two - a negative terminal and a positive terminal
One - a negative terminal
None of these

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Electronic Principles
Which one of the following statements is true?

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

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Electronic Principles
Voltage is

The smallest electrically charged particle
None of these
The number of free electrons in an atom
The flow of charged particles through a material
Trie force that causes electrons to flow

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