Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW 20 mW None of these 300 mW 200 mW 10 mW 20 mW None of these 300 mW 200 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents entering and leaving a point is equal to zero None of these The current through a resistance is proportional to the value of resistance and the IR drop across it The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero None of these The current through a resistance is proportional to the value of resistance and the IR drop across it The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 0.995 mA None of these 0.151 mA 157 raA 2.02 A 0.995 mA None of these 0.151 mA 157 raA 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance multiplies the capacitive reactance by 7 None of these cuts the capacitive reactance in half doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 None of these cuts the capacitive reactance in half doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals None of these increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals None of these increases the level of all frequencies by a significant amount has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the area of the plates increasing the voltage applied to the plates None of these decreasing the area of the plates increasing the frequency of the applied voltage increasing the area of the plates increasing the voltage applied to the plates None of these decreasing the area of the plates increasing the frequency of the applied voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS