Electronic Principles
Which one of the following statements is true for current flowing in 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
The same current flows through every part of 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

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Electronic Principles
Which one of the following statements most accurately describes the nature of inductive reactance?

Inductive reactance is an opposition to current flow in ac circuits
None of these
Inductive reactance is another term for counter emf
Inductive reactance is a force that tends to overcome the effects of counter emf
Inductive reactance is an opposition to current flow in dc circuits

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

The voltage always has the same amplitude and phase for every part of the circuit
The total voltage is less than the sum of the voltages across the resistance and inductance
The total voltages is equal to the sum of the voltages across the resistance and inductance
None of these
The total voltage lags the total current by less than 90

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Electronic Principles
What is the difference between a conductor and an insulator?

An insulator allows current to flow much easier than a conductor does
A conductor allows current to flow much easier than an insulator does
None of these
The difference between conductors and insulators depends on how they are used
An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all

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