Question

Assertion (A): Hall effect is used to find the type of semiconductor.

Reason (R): When a specimen of semiconductor carrying current I lies in a magnetic field the force on electrons and holes is in opposite directions.

a.

Both A and R are true and R is correct explanation of A

b.

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

c.

A is true but R is false

d.

A is false but R is true

Answer: (a).Both A and R are true and R is correct explanation of A

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Q. Assertion (A): Hall effect is used to find the type of semiconductor. Reason (R): When a specimen of semiconductor carrying current I lies in a magnetic field the force on...

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