Electronic Principles
A high-pass filter:

None of these
increases the level of all frequencies by a significant amount
has no effect on ac signals
passes lower-frequency signals and reduces higher-frequency signals
passes higher-frequency signals and reduces lower-frequency signals

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

None of these
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 same current flows through every part of a series circuit
The total current in a series circuit is equal to the total voltage multiplied by the total resistance
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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Electronic Principles
One henry of inductance is defined as:

the amount of inductance required to change the frequency of a current by 1 Hz
the number of turns of wire in an inductor multiplied by the amount of current flowing through it
the amount of counter emf required to reduce a current to 1 A
the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second
None of these

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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
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
None of these
Inductive reactance is another term for counter emf

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