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

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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.

A is false but R is true
A is true but R is false
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A

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