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? I = P/E P = E2/R P = IE None of these P = I2R I = P/E P = E2/R P = IE None of these P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits None of these Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? None of these Thermal energy Valence electrons Doping Free electrons None of these Thermal energy Valence electrons Doping Free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 90 Ohm - 101 ohm None of these 99 Ohm - 102 ohm 98 Ohm - 100.1 ohm 90 Ohm - 110 ohm 90 Ohm - 101 ohm None of these 99 Ohm - 102 ohm 98 Ohm - 100.1 ohm 90 Ohm - 110 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V 170 V None of these 180 V 120 V 100 V 170 V None of these 180 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: storing 1 V for 1 second None of these dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing causing an ac phase shift greater than 90 degree storing 1 V for 1 second None of these dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing causing an ac phase shift greater than 90 degree ANSWER DOWNLOAD EXAMIANS APP