Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material None of these A diamagnetic material A paramagnetic material All of these A ferromagnetic material None of these A diamagnetic material A paramagnetic material All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes None of these Impossible to say Is less than the number of holes Is greater than the number of holes Equals the number of holes None of these Impossible to say Is less than the number of holes Is greater than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? None of these 844.5 Ohm 1234 Ohm 692.2 Ohm 3890 Ohm None of these 844.5 Ohm 1234 Ohm 692.2 Ohm 3890 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? None of these Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow None of these Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow 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? 3 43891 43922 None of these 2 3 43891 43922 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value None of these the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value None of these ANSWER DOWNLOAD EXAMIANS APP
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