Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW 200 mW 20 mW None of these 300 mW 10 mW 200 mW 20 mW None of these 300 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has a few free electrons and holes many free electrons many holes No holes None of these a few free electrons and holes many free electrons many holes No holes None of these 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? 3 43922 None of these 43891 2 3 43922 None of these 43891 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 400 Ohm 410 Ohm 550 Ohm 310 Ohm None of these 400 Ohm 410 Ohm 550 Ohm 310 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 99.3 Ohm 250 Ohm None of these 70.7Ohm 60 Ohm 99.3 Ohm 250 Ohm None of these 70.7Ohm 60 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a dielectric None of these two coils separated by a conductor two dielectrics separated by a conductor two conductors separated by a dielectric two coils separated by a dielectric None of these two coils separated by a conductor two dielectrics separated by a conductor two conductors separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
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