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Electronic Principles

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

None of these
0.707
0.575
1.5
10.738

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Electronic Principles
What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz?

312 Ohm
1590 Ohm
None of these
690 Ohm
less than 1 Ohm

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Electronic Principles
1 Microfarad is the same as:

1000 millifarads
1 million picofarads
1 millionth of a picofarad
None of these
1 million farads

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Electronic Principles
How may valence electrons does a silicon atom have?

2
1
None of these
4

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Electronic Principles
Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff?

200 k Ohm or less
20 k Ohm or more
20 km or less
200 k Ohm or more
None of these

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Electronic Principles
A transistor has how many doped regions?

3
4
2
None of these
1

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