Electronic Principles The peak value of a sine waveform is: the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A 0.41666666666667 0.1 A 1000 A None of these 100 A 0.41666666666667 0.1 A 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree None of these Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material A diamagnetic material All of these None of these A paramagnetic material A ferromagnetic material A diamagnetic material All of these None of these A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: reduces the value of inductance by one-fourth reduces the value of inductance by one-half None of these multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half None of these multiplies the value of inductance by two multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as infinity upper end of the load line lower end of the load line None of these cutoff point infinity upper end of the load line lower end of the load line None of these cutoff point ANSWER DOWNLOAD EXAMIANS APP
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