Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 36 V 60 V 40 V 0 V None of these 36 V 60 V 40 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: None of these is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal None of these One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal None of these One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? None of these 20 V 10.17 V 18.8 V 0.17 V None of these 20 V 10.17 V 18.8 V 0.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43891 3 None of these 2 43922 43891 3 None of these 2 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of At least 10 Ohm less than 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm At least 10 Ohm less than 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP