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Electronic Devices and Circuits
Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface.
True
False
True
False
Answer
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Related Question
Electronic Devices and Circuits
When diodes are connected in series to increase voltage rating the peak inverse voltage per junction
should not exceed the breakdown voltage
should not exceed half the breakdown voltage
should not exceed one third the breakdown voltage
may be equal to or less than breakdown voltage
should not exceed the breakdown voltage
should not exceed half the breakdown voltage
should not exceed one third the breakdown voltage
may be equal to or less than breakdown voltage
Answer
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Electronic Devices and Circuits
An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased
The number of free electrons increases
The number of free electrons and holes increase by the same amount
The number of free electrons increases but the number of holes decreases
The number of free electrons and holes increase but not by the same amount
The number of free electrons increases
The number of free electrons and holes increase by the same amount
The number of free electrons increases but the number of holes decreases
The number of free electrons and holes increase but not by the same amount
Answer
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Electronic Devices and Circuits
Which variety of copper has the best conductivity?
Induction hardened copper
Pure annealed copper
Copper containing traces of silicon
Hard drawn copper
Induction hardened copper
Pure annealed copper
Copper containing traces of silicon
Hard drawn copper
Answer
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Electronic Devices and Circuits
If too large current passes through the diode
All holes will freeze
Diode will emit light
Excessive heat may damage the diode
All electrons will leave
All holes will freeze
Diode will emit light
Excessive heat may damage the diode
All electrons will leave
Answer
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Electronic Devices and Circuits
Which one of the following is not a characteristic of a ferroelectric material?
High dielectric constant
No hysteresis
Electric dipole moment
Ferroelectric characteristic only above the curie point
High dielectric constant
No hysteresis
Electric dipole moment
Ferroelectric characteristic only above the curie point
Answer
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