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: Twice the primary current None of these Same as the primary current No more than 10% less than the primary current One-half the primary current Twice the primary current None of these Same as the primary current No more than 10% less than the primary current One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: piezoelectric devices None of these chemical cell solar cell thermocouple piezoelectric devices None of these chemical cell solar cell thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by four reduces the value of inductance by one-half has no effect on the inductance None of these multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-half has no effect on the inductance None of these multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always increases as the applied frequency increases always decreases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency None of these always increases as the applied frequency increases always decreases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere up None of these down off the load line nowhere up None of these down off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 208 mA 200 mA 7.8 mA 300 mA None of these 208 mA 200 mA 7.8 mA 300 mA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS