Electronic Principles
What is a negative ion?

None of these
An atom that contains more electrons than neutrons
An atom that contains more electrons than protons
An atom that contains more protons than neutrons
An atom that contains more protons than electrons

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Electronic Principles
The total capacitive reactance of a parallel capacitor circuit is:

None of these
less than the capacitance value of the smallest capacitor
equal to the source voltage divided by total current
equal to the sum of the individual capacitance values
equal to the sum of the individual capacitive-reactance values

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Electronic Principles
One henry of inductance is defined as:

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

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