Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 14.8 µA 7.75 µA None of these 7.8 µA 10.3 µA 14.8 µA 7.75 µA None of these 7.8 µA 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like an insulator a conductor None of these a battery a piece of copper wire an insulator a conductor None of these a battery a piece of copper wire ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: reduces the value of inductance by one-fourth 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 reduces the value of inductance by one-fourth 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 444 Ohm 100 Ohm None of these Less than 1 Ohm 628 Ohm 444 Ohm 100 Ohm None of these Less than 1 Ohm 628 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Atoms Positive charges Crystals None of these Negative charges Atoms Positive charges Crystals None of these Negative charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? None of these 120 V 170 V 100 V 180 V None of these 120 V 170 V 100 V 180 V ANSWER DOWNLOAD EXAMIANS APP