To any P-type semiconductor, the number of holes ( ) the number of free electrons
举一反三
- For the same nuclide, which character must be identical? () A: Proton number B: Neutron number C: Electrons number D: Energy state
- All atoms of a given element have the same __________. A: mass B: number of protons C: number of neutrons D: number of electrons and neutrons E: density
- In the periodic table of elements, the number of elements in each period is exactly equal to the maximum number of electrons in the corresponding outermost electron layer.
- Which element is suitable for making p-type Si semiconductor by doping? A: As B: P C: Sb D: B
- 函数（ ）用于取消由 setInterval 设置的定时器。 A: number setTimeout(function callback, number delay, any rest) B: clearTimeout(number timeoutID) C: number setInterval(function callback, number delay, any rest) D: clearInterval(number intervalID)