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Physics

Total questions: 2

Worksheet time: 40secs

Name
Class
Date
1.

The temperature at and above which a ferromagnetic material becomes a paramagnetic is called:

a)

critical temperature

b)

inversion temperature

c)

curie temperature

d)

debye temperature

2.

Which of the following is a pentavalent impuity added while forming an extrinsic semiconductor ?

a)

Boron

b)

Arsenic

c)

Indium

d)

Gallium