Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 7.75 µA None of these 14.8 µA 7.8 µA 10.3 µA 7.75 µA None of these 14.8 µA 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Reluctance None of these Number of lines of force Magnetomotive force Flux density Reluctance None of these Number of lines of force Magnetomotive force Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? None of these 20 mW 200 mW 10 mW 300 mW None of these 20 mW 200 mW 10 mW 300 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: None of these battery rotor armature commutator None of these battery rotor armature commutator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 170 V 120 V None of these 180 V 100 V 170 V 120 V None of these 180 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? All of these A diamagnetic material A paramagnetic material A feiTomagnetic material None of these All of these A diamagnetic material A paramagnetic material A feiTomagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP