Electronic Principles What is a negative ion? An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more protons than neutrons None of these An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more protons than neutrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Nonlinear None of these Bilateral Unipolar Linear Nonlinear None of these Bilateral Unipolar Linear ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 12 V 24 V 18 V None of these 30 V 12 V 24 V 18 V None of these 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = I2R None of these P = E2/R P = IE I = P/E P = I2R None of these P = E2/R P = IE I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 2 k Ohm 1 k Ohm None of these 20 k Ohm 10 k Ohm 2 k Ohm 1 k Ohm None of these 20 k Ohm 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.93 V None of these 0.93 W 9.3 W 0.041666666666667 0.93 V None of these 0.93 W 9.3 W 0.041666666666667 ANSWER DOWNLOAD EXAMIANS APP