Electronic Principles At room temperature an intrinsic semiconductor has many free electrons No holes a few free electrons and holes many holes None of these many free electrons No holes a few free electrons and holes many holes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 13 mA 0.05 mA 3.75 mA 3.2 mA None of these 13 mA 0.05 mA 3.75 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = IE P = I2R P = E2/R None of these I = P/E P = IE P = I2R P = E2/R None of these I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43922 2 43891 3 None of these 43922 2 43891 3 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: None of these multiplies the value of inductance by four reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: knife switch momentary push button switch rotary switch None of these toggle switch knife switch momentary push button switch rotary switch None of these toggle switch ANSWER DOWNLOAD EXAMIANS APP