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Electronic Principles

Electronic Principles
What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz?

100 Ohm
None of these
444 Ohm
Less than 1 Ohm
628 Ohm

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Electronic Principles
What causes the depletion layer?

None of these
Ions
Recombination
Barrier potential
Doping

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Electronic Principles
How much current flows through a 60-W light bulb that is operating at 120 V?

7200 A
0.083333333333333
0.5A
None of these
180 A

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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

None of these
45 degree
30 degree
75 degree
180 degree

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Electronic Principles
The barrier potential accross each depletion layer is

0.7 V
0.8 V
20 V
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:

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

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