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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
120 V
100 V
170 V
180 V

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Electronic Principles
How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source?

0.151 mA
2.02 A
None of these
157 raA
0.995 mA

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Electronic Principles
The saturation point is approximately the same as

None of these
cutoff point
infinity
lower end of the load line
upper end of the load line

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Electronic Principles
Holes are the minority carriers in which type of semiconductor?

Extrinsic
n-type
Intrinsic
p-type
None of these

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Electronic Principles
What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm

45 degree
None of these
75 degree
30 degree
180 degree

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Electronic Principles
The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?

0.25
180
4
None of these
0.5

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