Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 120 V 100 V 170 V 180 V None of these 120 V 100 V 170 V 180 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: One-half the primary current No more than 10% less than the primary current Same as the primary current None of these Twice the primary current One-half the primary current No more than 10% less than the primary current Same as the primary current None of these Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree None of these ac current and voltage are exactly in phase ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current supply current collector current None of these emitter current base current supply current collector current None of these emitter current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually None of these Reverse-biased Nonconducting Forward-biased Operating in the breakdwon region None of these Reverse-biased Nonconducting Forward-biased Operating in the breakdwon region ANSWER DOWNLOAD EXAMIANS APP
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