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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
Normal to both current and magnetic field
Antiparallel to magnetic field
In the direction of current
In arbitrary direction
Normal to both current and magnetic field
Antiparallel to magnetic field
In the direction of current
In arbitrary direction
Answer
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Related Question
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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Electronic Devices and Circuits
Which variety of copper has the best conductivity?
Copper containing traces of silicon
Induction hardened copper
Hard drawn copper
Pure annealed copper
Copper containing traces of silicon
Induction hardened copper
Hard drawn copper
Pure annealed copper
Answer
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Electronic Devices and Circuits
As compared to bipolar junction transistor, a FET
Is less noisy
Has higher input resistance
All of these
Has better thermal stability
Is less noisy
Has higher input resistance
All of these
Has better thermal stability
Answer
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Electronic Devices and Circuits
The depletion layer width of Junction
Is independent of applied voltage
Decreases with light doping
Is increased under reverse bias
Increases with heavy doping
Is independent of applied voltage
Decreases with light doping
Is increased under reverse bias
Increases with heavy doping
Answer
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Electronic Devices and Circuits
Assertion (A): A VMOS can handle much larger current than other field effect transistors.Reason (R): In a VMOS the conducting channel is very narrow.
A is true but R is false
Both A and R are true and R is correct explanation of A
A is false but R is true
Both A and R are true but R is not a correct explanation of A
A is true but R is false
Both A and R are true and R is correct explanation of A
A is false but R is true
Both A and R are true but R is not a correct explanation of A
Answer
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