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Electronic Principles

Electronic Principles
Who invented the first junction transistor?

None of these
Fisher
Gomes
Shockley
Smith

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

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Electronic Principles
Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91?

100 W
20 W
None of these
200 W
1000 W

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Electronic Principles
The emitter diode is usually

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

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Electronic Principles
The equivalent of 1 megohms is:

None of these
1 k ohm
one-millionth of an ohm
one million ohms
100,000 ohm

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Electronic Principles
A dielectric material is:

a poor conductor of electrostatic fields
a good insulator
a good conductor of magnetic fields
a good conductor
None of these

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