Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that costs nothing An electron that has twice the amount of charge of a normal electron None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that costs nothing An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at middle of the load line None of these lower end of the load line upper end of the load line infinity middle of the load line None of these lower end of the load line upper end of the load line infinity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V None of these 37.4 V 35.4 V 38.74 V 30.4 V None of these 37.4 V 35.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 312 Ohm 690 Ohm None of these 1590 Ohm less than 1 Ohm 312 Ohm 690 Ohm None of these 1590 Ohm less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 90 Ohm - 101 ohm 98 Ohm - 100.1 ohm None of these 90 Ohm - 110 ohm 99 Ohm - 102 ohm 90 Ohm - 101 ohm 98 Ohm - 100.1 ohm None of these 90 Ohm - 110 ohm 99 Ohm - 102 ohm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS