Electronic Principles
The peak value of a sine waveform is:

the amplitude at 90% of the maximum value
the maximum positive or negative value
the amplitude at 70.7% of the maximum value
None of these
the amplitude at 1.41 times the maximum value

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

None of these
The algebraic sum of voltages in a loop is equal to zero
The total resistance of a parallel circuit is less than the value of the smallest resistance
The algebraic sum of currents entering and leaving a point is equal to zero
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it

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Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
doubles the amount of current through the inductors
has no effect on the current through the inductors
cuts the current through the inductors one-half
None of these

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