Electronic Principles Holes act like: None of these Negative charges Positive charges Atoms Crystals None of these Negative charges Positive charges Atoms Crystals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases always decreases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 0.707 1.5 10.738 None of these 0.575 0.707 1.5 10.738 None of these 0.575 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-half has no effect on the inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Applied voltage Barrier potential None of these Forward voltage Breakdown voltage Applied voltage Barrier potential None of these Forward voltage Breakdown voltage ANSWER DOWNLOAD EXAMIANS APP