Electronic Principles How may valence electrons does a silicon atom have? None of these 1 4 2 None of these 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Decreases Stays the same 0oC Increases None of these Decreases Stays the same 0oC Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? 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 Resistances provide 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 Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow None of these 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? 651 V 208 V 707 V None of these 700 V 651 V 208 V 707 V None of these 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: purely resistive circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency None of these parallel RL circuit purely resistive circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency None of these parallel RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from left to right None of these from positive to negative from neutral to positive from negative to positive from left to right None of these from positive to negative from neutral to positive from negative to positive ANSWER DOWNLOAD EXAMIANS APP
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