Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 20 mW None of these 200 mW 300 mW 10 mW 20 mW None of these 200 mW 300 mW 10 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 rotor commutator armature battery None of these rotor commutator armature battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one-millionth of an ampere 1000 A None of these one million amperes 10000A one-millionth of an ampere 1000 A None of these one million amperes 10000A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons No holes many holes a few free electrons and holes None of these many free electrons No holes many holes a few free electrons and holes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity and at a steady level 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? 60 Ohm 70.7Ohm None of these 99.3 Ohm 250 Ohm 60 Ohm 70.7Ohm None of these 99.3 Ohm 250 Ohm ANSWER DOWNLOAD EXAMIANS APP