Electronic Principles Current is The number of free electrons in an atom An imbalance of electrical charges None of these The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges None of these The force that causes electrons to flow The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 180 None of these 0.25 4 0.5 180 None of these 0.25 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current. is greater than the sum of the currents for the resistance and capacitance None of these The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance None of these The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these less than the value of the smallest inductor equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these less than the value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at upper end of the load line None of these middle of the load line lower end of the load line infinity upper end of the load line None of these middle of the load line lower end of the load line infinity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: piezoelectric devices chemical cell solar cell thermocouple None of these piezoelectric devices chemical cell solar cell thermocouple None of these ANSWER DOWNLOAD EXAMIANS APP