Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 1000 W 20 W None of these 100 W 200 W 1000 W 20 W None of these 100 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 14 29 None of these 4 48 14 29 None of these 4 48 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? many Only those produced by thermal energy less than the free electrons None of these Same number as free electrons many Only those produced by thermal energy less than the free electrons None of these Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any 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 Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any 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 The peak value of a sine waveform is: None of these the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: cuts the capacitive reactance in half None of these doubles the amount of capacitive reactance multiplies the capacitive reactance by 7 has no effect on the capacitive reactance cuts the capacitive reactance in half None of these doubles the amount of capacitive reactance multiplies the capacitive reactance by 7 has no effect on the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP