Electronic Principles At room temperature a conductor has low many holes? less than the free electrons Same number as free electrons Only those produced by thermal energy None of these many less than the free electrons Same number as free electrons Only those produced by thermal energy None of these many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many holes No holes many free electrons a few free electrons and holes None of these many holes No holes many free electrons a few free electrons and holes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage lags the total current by less than 90 The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltage lags the total current by less than 90 The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The total voltage is less than the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 445 ohm 220 ohm 690 ohm 150 ohm None of these 445 ohm 220 ohm 690 ohm 150 ohm None of these ANSWER DOWNLOAD EXAMIANS APP