Electronic Principles
Doubling the operating frequency of a capacitive circuit:

cuts the capacitive reactance in half
doubles the amount of a capacitive reactance
None of these
multiplies the capacitive reactance by 6.28
has no effect on the capacitive reactance

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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
None of these
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 amount of counter emf required to reduce a current to 1 A

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