Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 64 W 3 W 122 W 6 W None of these 64 W 3 W 122 W 6 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more electrons than protons None of these An atom that contains more protons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more electrons than protons None of these 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? None of these 12 V 24 V 18 V 30 V None of these 12 V 24 V 18 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like an insulator a piece of copper wire None of these a conductor a battery an insulator a piece of copper wire None of these a conductor a battery ANSWER DOWNLOAD EXAMIANS APP
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 None of these 28.4 mA 68.4 mA 24.2 mA 34.4 mA None of these 28.4 mA 68.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates electrostatic lines of force the amount of opposition to the current flow the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force None of these how well the material concentrates electrostatic lines of force the amount of opposition to the current flow the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force None of these ANSWER DOWNLOAD EXAMIANS APP