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
In the direction of current
In arbitrary direction
Antiparallel to magnetic field

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Electronic Devices and Circuits
When diodes are connected in series to increase voltage rating the peak inverse voltage per junction

should not exceed half the breakdown voltage
should not exceed one third the breakdown voltage
should not exceed the breakdown voltage
may be equal to or less than breakdown voltage

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Electronic Devices and Circuits
Assertion (A): In p-n-p transistor collector current is termed negative.Reason (R): In p-n-p transistor holes are majority carriers.

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

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