Electronic Principles
What form of energy is used to maintain an imbalance of charges between the terminals of a battery?

Mechanical energy
None of these
Solar energy
Chemical energy
Electronical energy

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

The same current always flows through every part of a parallel circuit
None of these
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
The total current in a parallel circuit is always less than the smallest amount of current
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance

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Electronic Principles
A farad is defined as the amount of capacitance necessary for:

causing an ac phase shift greater than 90 degree
dissipating 1 W of power
storing 1 V for 1 second
None of these
changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing

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