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Electronic Principles

Electronic Principles
The barrier potential accross each depletion layer is

20 V
0.7 V
0.8 V
None of these

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Electronic Principles
Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs?

P = IE
I = P/E
None of these
P = I2R
P = E2/R

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Electronic Principles
To get the Thevenin voltage, you have to

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

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Electronic Principles
What kind of battery is most likely included in a cordless electric knife?

Nicad battery
Lead-acid battery
None of these
Mercury-cell battery
Zinc-carbon battery

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Electronic Principles
For normal operation of the transistor, the collector diode has to be

Operating in the breakdown region
Forward-biased
None of these
Reverse-biased
Nonconducting

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Electronic Principles
Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff?

100 Ohm
20 Ohm
10 Ohm
30 Ohm
None of these

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