PhysicsElectronics Quiz August 3, 2022August 4, 2022 - by mdcatpk 0 Created on August 03, 2022 By mdcatpk Electronics Quiz 1 / 20 Electrons present in p-type material due to thermal pair generation are . Minority carriers Majority carriers Dual carriers 2 / 20 Semi-conductors with donor atoms and free electrons belong to the type N P Mix 3 / 20 Semi-conductor germanium and silicon are Pentavalent Trivalent Tetravalent 4 / 20 Acceptor and donor impurities donate P-carriers and n-carriers respectively N-carriers only P-carriers only 5 / 20 P-N junction when reversed biased acts as a Capacitor Inductor Off switch 6 / 20 In P-N-P transistor the collector current is Slightly less than emitter current Equal to emitter current Greater than emitter current 7 / 20 In N-P-N transistor, P works as Base Collector Emitter 8 / 20 The simplest type of rectification known as half-wave rectification is obtained by Using a transistor Suppressing the harmonics in A.C voltage Suppressing half wave of A.C supply by using diode 9 / 20 Identify the correct statement about minority carriers Holes in n-type and free electrons in p-type Holes in n-type and p-type Free electrons in n-type and holes in p-type 10 / 20 Depletion region of a junction is formed During the manufacturing process Under forwarding bias Under reverse bias 11 / 20 The velocity of an oscillating charge as it moves to and from along a wire is always Constant Zero Changing 12 / 20 Which one of the following has the greatest energy gap Insulator Conductor Semiconductor 13 / 20 Which one of the following band is completely filled in case of conductors Conduction band Fermi band Valence band 14 / 20 The value of resistivity for the insulator is of the order of 105 ohm metre 106 ohm metre 108 ohm metre 15 / 20 Thermions are Protons Positrons Electrons 16 / 20 The symbol of N-P-N transistor is β γ P 17 / 20 In the transistor schematic symbol, the arrow Is located on the emitter Is located on the base Is locate on the collector 18 / 20 Forward current through a semiconductor diode circuit is due to Majority carriers Minority carriers Electrons 19 / 20 Which one of the following is not a donor impurity Antimony Phosphorus Aluminium 20 / 20 The hole is equivalent to A positive charge A negative charge An electron Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Electronics Quiz Check out for more quizzes for mdcat 2022 preperation. Start studying now!
