Electronic Principles Current is The number of free electrons in an atom The force that causes electrons to flow None of these An imbalance of electrical charges The flow of charged particles through a material The number of free electrons in an atom The force that causes electrons to flow None of these An imbalance of electrical charges The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? less than 1 Ohm 690 Ohm 312 Ohm 1590 Ohm None of these less than 1 Ohm 690 Ohm 312 Ohm 1590 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: series RLC circuit operated below its resonant frequency series RC circuit series RL circuit None of these purely resistive circuit series RLC circuit operated below its resonant frequency series RC circuit series RL circuit None of these purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 50 A 0.20833333333333 20 A None of these 50 A 0.20833333333333 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? None of these The algebraic sum of currents entering and leaving a point is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents entering and leaving a point is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current 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 reduces the value of inductance by one-half None of these multiplies the value of inductance by two has no effect on the inductance multiplies the value of inductance by four reduces the value of inductance by one-half None of these ANSWER DOWNLOAD EXAMIANS APP