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Electronic Principles

Electronic Principles
What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it?

64 W
6 W
None of these
122 W
3 W

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Electronic Principles
A basic capacitor is composed of:

None of these
two coils separated by a conductor
two coils separated by a dielectric
two conductors separated by a dielectric
two dielectrics separated by a conductor

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

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

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Electronic Principles
Positive ions are atoms that have

Gained an electron
None of these
Lost an electron
Gained a proton
Lost a proton

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Electronic Principles
The direction of conventional current flow is:

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

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Electronic Principles
The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values?

9.3 W
0.93 W
0.041666666666667
None of these
0.93 V

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