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Electronic Principles

Electronic Principles
A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage?

None of these
208 V
651 V
707 V
700 V

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

volt
None of these
ohm
ampere
watt

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Electronic Principles
When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a:

purely resistive circuit
parallel RL circuit
None of these
parallel RC circuit
parallel RLC circuit operated above its resonant frequency

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Electronic Principles
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:

Same as the primary current
None of these
Twice the primary current
No more than 10% less than the primary current
One-half the primary current

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Electronic Principles
The equivalent of 1 kV is:

1000 mV
1.00 V
1000 V
None of these
100 mV

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Electronic Principles
The direction of electron current flow is:

from negative to positive
from positive to negative
None of these
from right to left
from neutral to positive

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