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Electronic Principles

Electronic Principles
The basic unit of measurement for current is the:

ampere
watt
None of these
ohm
volt

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Electronic Principles
A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

16 V
8 V
3 V
None of these
7.5 V

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Electronic Principles
To get the Norton current, you have to

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

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Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?

Retentivity
Permeability
Permeance
Reluctance
There is no valid comparison

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

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

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Electronic Principles
What is the barrier potential of a silicon diode at room temperature?

2 m V per degree Celsius
0.7V
None of these
0.3V
1 V

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