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Electronic Principles

Electronic Principles
What is the turns ratio for the transformer specified in the above question?

10.738
0.575
0.707
None of these
1.5

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Electronic Principles
Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?

I = ER
E = I2R
None of these
I = E/R
E = PR

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Electronic Principles
Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?

1000 W
100 W
20 W
200 W
None of these

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

100 V
180 V
170 V
120 V
None of these

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Electronic Principles
What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W?

26.6 degree
180 degree
None of these
90 degree
0 degree

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Electronic Principles
To get the Norton current, you have to

Short the load resistor
None of these
Open the load resistor
Short the voltage source
Open the voltage source

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