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

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

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

The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
The total current in a series circuit is equal to the total voltage multiplied by the total resistance
The same current flows through every part of a series circuit
None of these
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit

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