MCQ
Which of the following statements is correct for diamagnetic materials
- A$\mu _r<1$
- B$\chi $ is negative and low
- C$\chi $ does not depend on temperature
- ✓All of the above
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$A:$ The width of the depletion layer in a $P-N$ junction diode increases in forwards bias
$B:$In an intrinsic semiconductor the fermi energy level is exactly in the middle of the forbidden gap