Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V 60 V None of these 40 V 0 V 36 V 60 V None of these 40 V 0 V 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? 707 V 208 V 700 V None of these 651 V 707 V 208 V 700 V None of these 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 60 Ohm 30 Ohm 754 Ohm 120 Ohm None of these 60 Ohm 30 Ohm 754 Ohm 120 Ohm None of these 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: No more than 10% less than the primary current Twice the primary current One-half the primary current Same as the primary current None of these No more than 10% less than the primary current Twice the primary current One-half the primary current Same as the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point nowhere down up None of these off the load line nowhere down up None of these off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth ANSWER DOWNLOAD EXAMIANS APP
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