Electronic Principles What is a free electron? None of these An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing An electron that has no electrical charge None of these An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing An electron that has no electrical charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: toggle switch None of these knife switch rotary switch momentary push button switch toggle switch None of these knife switch rotary switch momentary push button switch 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 0.20833333333333 20 A 50 A None of these 0.20833333333333 20 A 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: None of these the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value None of these the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? 90 degree 0 degree None of these 180 degree 26.6 degree 90 degree 0 degree None of these 180 degree 26.6 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 has no effect on the inductive reactance doubles the amount of inductive reactance cuts the inductive reactance in half None of these multiplies the inductive reactance by 6.28 has no effect on the inductive reactance doubles the amount of inductive reactance cuts the inductive reactance in half None of these ANSWER DOWNLOAD EXAMIANS APP