Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? None of these Doping Thermal energy Free electrons Valence electrons None of these Doping Thermal energy Free electrons Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: None of these 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 how well the material concentrates electrostatic lines of force None of these 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 how well the material concentrates electrostatic lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Impossible to say Weak None of these Neutral Strong Impossible to say Weak None of these Neutral Strong ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Solar energy Electronical energy None of these Mechanical energy Chemical energy Solar energy Electronical energy None of these Mechanical energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.24 W 0.625 W 325 kW None of these 80 W 0.24 W 0.625 W 325 kW None of these 80 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = I2R I = E/R I = ER None of these E = PR E = I2R I = E/R I = ER None of these E = PR ANSWER DOWNLOAD EXAMIANS APP