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Electronic Principles

Electronic Principles
Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage?

None of these
170 V
180 V
100 V
120 V

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Electronic Principles
The basic unit of measurement for current is the:

ampere
volt
ohm
watt
None of these

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Electronic Principles
The rise time of a pulse waveform is the time required for the voltage to rise:

from 10% of the peak value to 90% of the peak value
from zero to its peak value
None of these
from zero to its rms value
from 10% of the peak value to 70.7% of the peak value

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Electronic Principles
An audio transformer has a turn ratio of 9, What is its impedance ratio?

85
81
9
None of these
6

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Electronic Principles
If the base supply voltage increases, the Q point moves

down
nowhere
up
None of these
off the load line

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Electronic Principles
A basic capacitor is composed of:

None of these
two coils separated by a conductor
two dielectrics separated by a conductor
two coils separated by a dielectric
two conductors separated by a dielectric

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