Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 34.4 mA 28.4 mA 68.4 mA None of these 24.2 mA 34.4 mA 28.4 mA 68.4 mA None of these 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 150 ohm 220 ohm 690 ohm 445 ohm None of these 150 ohm 220 ohm 690 ohm 445 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is None of these An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom None of these An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 325 kW 0.625 W None of these 0.24 W 80 W 325 kW 0.625 W None of these 0.24 W 80 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell None of these chemical cell thermocouple electric device solar cell None of these chemical cell thermocouple electric device ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms None of these peak both the voltage and current waveforms peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms None of these peak both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP