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Electronic Devices and Circuits

Electronic Devices and Circuits
Power diodes are generally

Germanium diodes
Either of the above
Silicon diodes
None of these

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Electronic Devices and Circuits
In the sale of diamonds the unit of weight is carat. One carat is equal to

200 mg
100 mg
150 mg
500 mg

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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

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Electronic Devices and Circuits
The amount of photoelectric emission current depends on

Both frequency and intensity of incident radiation
Intensity of incident radiation
Frequency of incident radiation
None of these

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Electronic Devices and Circuits
Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is

Antiparallel to magnetic field
Normal to both current and magnetic field
In arbitrary direction
In the direction of current

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Electronic Devices and Circuits
In a semiconductor diode, the barrier offers opposition to

Majority as well as minority carriers in both regions
Majority carriers in both regions
Free electrons in N-region only
Holes in P-region only

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