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: None of these Same as the primary current Twice the primary current One-half the primary current No more than 10% less than the primary current None of these Same as the primary current Twice the primary current One-half the primary current No more than 10% less than the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Decreases Increases Stays the same None of these Can be any of above Decreases Increases Stays the same None of these Can be any of above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? None of these Gomes Shockley Smith Fisher None of these Gomes Shockley Smith Fisher 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 700 V 707 V None of these 208 V 651 V 700 V 707 V None of these 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has None of these a few free electrons and holes many free electrons No holes many holes None of these a few free electrons and holes many free electrons No holes many holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The actual frequency of a sine waveform is 1.41 times the working frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The higher the amplitude of a waveform, the higher its frequency ANSWER DOWNLOAD EXAMIANS APP
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