at is the phase shift for the wave? wh [10 points] ,.. A. l m./. 0.1 5 s\", =1 m

Question

at is the phase shift for the wave? wh [10 points] ,.. A. l m./. 0.1 5 s", =1 m,,-0.5 s 9. Check the correct box True or False for each question. [2 points each -20 points) T IF 1) The electric field originates at a positive charge. 2) Boron is an acceptor atorm in silicon. 3) More electrons in the conduction band than holes in the valence band | make the semiconductor p-type. 4) Undoped silicon is an intrinsic semiconductor. 5) P is the concentration of holes per unit volume in the semiconductor. 6) Silicon has 4 valence electrons. © 7) E, is the bandgap energy, and is equal to E-E- » 8) There are a total of2 atoms in a body-centered-cubic unit cell. / 9) The energy of vibrating atoms at temperatures of 0° K is not sufficient to break Si-Si bonds. / 10) The Fermi energy level moves closer to the conduction or valence band edge depending on the doping concentration.

Explanation / Answer

Hello user ,

For question 9,

1. True

2.True

3.False

4.True

5.True

6.True

7.True

8.True

9.True

10.True

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