Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? None of these 4.73 24 V 0.4 V 600 V None of these 4.73 24 V 0.4 V 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two has no effect on the inductance multiplies the value of inductance by four None of these reduces the value of inductance by one-half multiplies the value of inductance by two has no effect on the inductance multiplies the value of inductance by four None of these reduces the value of inductance by one-half 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 Same as the primary current Twice the primary current No more than 10% less than the primary current None of these One-half the primary current Same as the primary current Twice the primary current No more than 10% less than the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Weak Neutral Strong None of these Impossible to say Weak Neutral Strong None of these Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Germanium Silicon None of these Copper All of these Germanium Silicon None of these Copper All of these ANSWER DOWNLOAD EXAMIANS APP
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