Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 0.17 V 18.8 V 10.17 V 20 V None of these 0.17 V 18.8 V 10.17 V 20 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 50 Ohm or more 6 Ohm None of these 5 Ohm 100 Ohm 50 Ohm or more 6 Ohm None of these 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: None of these thermocouple solar cell piezoelectric devices chemical cell None of these thermocouple solar cell piezoelectric devices chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value None of these from zero to its rms value from zero to its peak value from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% of the peak value None of these from zero to its rms value from zero to its peak value from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 200 mA 300 mA 208 mA None of these 7.8 mA 200 mA 300 mA 208 mA None of these 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS