Electronic Principles
The total inductive reactance of a parallel inductor circuit is:

less than the inductance value of the smallest inductor
None of these
equal to the sum of the individual inductance values
equal to the source voltage divided by total current
equal to the sum of the individual inductive-reactance values

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Electronic Principles
Which one of the following statements most accurately reflects the nature of ac power?

The current in an ac circuit changes direction periodically
The current in an ac circuit flows in one direction at a steady level
None of these
The current in an ac circuit flows in one direction, but changes value periodically
The current in an ac circuit flows in two directions at the same time

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Electronic Principles
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?

1000 V and a series resistance of 10 k Ohm
100 V and a parallel resistance of 10 k Ohm
1000 V and a parallel resistance of 10 kOhm
100 V and a series resistance of 10 k Ohm
None of these

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Electronic Principles
Which one of the following phrases most accurately describes a purely capacitive circuit?

Resistances provide the only opposition to current flow
None of these
Capacitive reactance provides the only opposition to current flow
Combinations of resistance and capacitive reactance provide any opposition to current flow
The ac voltage leads the current by 90 degree

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