Electronic Principles The merging of a free electron and a hole is called Lifetime Covalent bonding Recombination None of these Thermal energy Lifetime Covalent bonding Recombination None of these Thermal energy 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 voltage drop and amount of resistance? P = IE P = E2/R None of these I = P/E P = I2R P = IE P = E2/R None of these I = P/E P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? 3 4 None of these 1 2 3 4 None of these 1 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V 120 V 180 V 170 V None of these 100 V 120 V 180 V 170 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? None of these 38.74 V 35.4 V 37.4 V 30.4 V None of these 38.74 V 35.4 V 37.4 V 30.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: None of these an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material None of these an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material ANSWER DOWNLOAD EXAMIANS APP