JEE Advanced Semiconductors — practice questions
22 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JEE Advanced Semiconductors in the app →An intrinsic semiconductor at room temperature has:Doping silicon with a pentavalent element like phosphorus creates a semiconductor in which:A p-n junction diode is forward biased when:The output of an AND gate is HIGH only when:The deliberate addition of a desirable impurity to a semiconductor is called:The impurity atoms added to a semiconductor are called:The energy band containing the energy levels of the valence electrons is called the:The energy band lying above the valence band is called the:Doping silicon or germanium with a pentavalent element produces which semiconductor?Doping silicon or germanium with a trivalent impurity produces which semiconductor?A pentavalent dopant donates one extra electron and is therefore known as a:In a p-type semiconductor, which carriers are the majority carriers?In an intrinsic semiconductor, how do the electron and hole concentrations compare?For insulators, the energy gap is stated as being greater than:For metals, the energy gap is described as being approximately:The region on either side of a p-n junction emptied of free charges is called the:The potential that prevents electrons moving from the n region into the p region is called the:When a diode has its p-side connected to the positive battery terminal, it is said to be:When the n-side of a diode is positive and the p-side negative, the diode is:The property of a diode that lets it convert alternating voltage is used in a circuit called a:The energy gap of silicon is given as approximately:The energy gap of germanium is given as approximately: