Electronic Principles Which one of the following kinds of materials has the highest permeability? None of these A paramagnetic material All of these A diamagnetic material A ferromagnetic material None of these A paramagnetic material All of these A diamagnetic material A ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? None of these 30 V 18 V 12 V 24 V None of these 30 V 18 V 12 V 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance None of these capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: None of these equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor equal to the source voltage divided by total current equal to the sum of the individual capacitance values None of these equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor equal to the source voltage divided by total current equal to the sum of the individual capacitance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V 8 V None of these 3 V 16 V 7.5 V 8 V None of these 3 V 16 V ANSWER DOWNLOAD EXAMIANS APP
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