Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons Valence electrons Thermal energy Doping None of these Free electrons Valence electrons Thermal energy Doping None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a natural magnet a paramagnetic alloy an artificial magnet None of these a temporary magnet a natural magnet a paramagnetic alloy an artificial magnet None of these a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 4 None of these 2 1 4 None of these 2 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? Intrinsic p-type None of these Extrinsic n-type Intrinsic p-type None of these Extrinsic n-type ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? None of these The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltage is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltage is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 690 Ohm None of these less than 1 Ohm 312 Ohm 1590 Ohm 690 Ohm None of these less than 1 Ohm 312 Ohm 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP