Electronic Principles The total inductive reactance of a parallel inductor circuit is: less than the inductance value of the smallest inductor equal to the sum of the individual inductance values None of these equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current less than the inductance value of the smallest inductor equal to the sum of the individual inductance values None of these equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A 0.3 A 0.2 A None of these 0.4 A 0.6 A 0.3 A 0.2 A None of these 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: None of these an artificial magnet a temporary magnet a paramagnetic alloy a natural magnet None of these an artificial magnet a temporary magnet a paramagnetic alloy a natural magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The total current leads the total voltage by less than 90 None of these The total current is equal to the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 None of these The total current is equal to the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents through the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Free electrons Thermal energy Doping None of these Valence electrons Free electrons Thermal energy Doping None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: 1000 A None of these 10000A one-millionth of an ampere one million amperes 1000 A None of these 10000A one-millionth of an ampere one million amperes ANSWER DOWNLOAD EXAMIANS APP