A: Positive oxide charges decrease [img=18x22]1802daf62ab2a5d.png[/img].
B: Positive oxide charges decrease [img=18x22]1802daf62ab2a5d.png[/img].
C: Positive oxide charges make C-V curve shift toward negative voltage.
D: The C-V curve shift is larger as the charges located near the substrate.
举一反三
- The flux of electric field intensity E through a closed surface is equal to zero, which means in the surface A: there are more positive charges than negative charges. B: there are more negative charges than positive charges. C: there are the same quantity of the positive charges and negative charges. D: there is no polarized chargeharge.
- Assume the capacitor areas of top and tunnel oxide are identical, which of the following statements is NOT true about designing oxide thickness? A: The minimum of top oxide thickness is limited by erase speed. B: The minimum of tunnel oxide thickness is limited by charge retention time. C: The maximum of top oxide thickness is limited by coupling ratio. D: The maximum of tunnel oxide thickness is limited by program speed.
- About the formula V =[img=73x62]180300d897d52ad.png[/img], which statement is NOT correct? A: [img=12x19]180300d8a0ab3df.png[/img](0) is positive semi-definite B: V is positive semi-definite C: [img=12x19]180300d8a0ab3df.png[/img](j) → 0 as j →∞ D: [img=12x19]180300d8a0ab3df.png[/img](j) =[img=12x19]180300d8a0ab3df.png[/img](-j)
- Three objects are brought close to one another, two at a time. When objects A and B are brought together, they attract. When objects B and C are brought together, they repel. Which of the following are necessarily true? A: Objects A and C possess charges of the same sign. B: Objects A and C possess charges of opposite sign. C: All three objects possess charges of the same sign. D: One object is neutral. E: Additional experiments must be performed to determine information about the charges on the objects.
- Which of the following formulas is correct for tin (II) oxide? A: SnO B: [img=42x22]18034caa97d59a3.png[/img] C: [img=42x22]18034caa9fd8b4a.png[/img] D: [img=42x22]18034caaa7e8b1f.png[/img]
内容
- 0
Which of the following formulas is correct for iron(III) oxide? A: FeO B: [img=40x22]18034caa951de1d.png[/img] C: [img=40x22]18034caa9cddb62.png[/img] D: [img=47x22]18034caaa50c5a1.png[/img]
- 1
Which of the following formulas is correct for magnesium oxide? A: [img=47x23]18034caab002614.png[/img] B: [img=40x23]18034caab8b6e26.png[/img] C: [img=34x19]18034caac2013d6.png[/img] D: [img=37x19]18034caacae8554.png[/img]
- 2
What is NOT true about the thermal oxide layer? A: A thermal oxide layer can serve as a passivation layer. B: A thermal oxide layer acts as an insulator and forces the electrons to flow in the emitter. C: It creates a back surface field at the back side of the solar cell and thus it reduces the surface recombination velocity. D: The oxide layer can be thermally grown.
- 3
若 X, Y，满足DX=DY=[img=18x22]1803dfef6dae947.png[/img]，E(XY)=EXEY，则D（X-2Y）的值是( )（A）2 [img=18x22]1803dfef6dae947.png[/img] （B）3 [img=18x22]1803dfef6dae947.png[/img] （C）4 [img=18x22]1803dfef6dae947.png[/img] （D）5[img=18x22]1803dfef6dae947.png[/img] A: 2 [img=18x22]1803dfef98590fb.png[/img] B: 3 [img=18x22]1803dfef98590fb.png[/img] C: 4 [img=18x22]1803dfef98590fb.png[/img] D: 5[img=18x22]1803dfef98590fb.png[/img]
- 4
The charges will be by Asian Co. and us.