Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow None of these The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow None of these The ac voltage lags the current by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain can be any of the above None of these increases contant decreases can be any of the above None of these increases contant decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? All of these A paramagnetic material None of these A diamagnetic material A feiTomagnetic material All of these A paramagnetic material None of these A diamagnetic material A feiTomagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? None of these 651 V 700 V 707 V 208 V None of these 651 V 700 V 707 V 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two reduces the value of inductance by one-half has no effect on the inductance None of these multiplies the value of inductance by four multiplies the value of inductance by two reduces the value of inductance by one-half has no effect on the inductance None of these multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf None of these ANSWER DOWNLOAD EXAMIANS APP
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