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 None of these 122 W 3 W 6 W 64 W None of these 122 W 3 W 6 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 7.8 µA 14.8 µA 10.3 µA None of these 7.75 µA 7.8 µA 14.8 µA 10.3 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of At least 10 Ohm None of these Less than 10 Ohm Less than 100 k Ohm More than 100 k Ohm At least 10 Ohm None of these Less than 10 Ohm Less than 100 k Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is greater than the number of holes Is less than the number of holes Impossible to say None of these Equals the number of holes Is greater than the number of holes Is less than the number of holes Impossible to say None of these Equals the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 70.7% of the peak value None of these from zero to its rms value from 10% of the peak value to 90% of the peak value from zero to its peak value from 10% of the peak value to 70.7% of the peak value None of these from zero to its rms value from 10% of the peak value to 90% of the peak value from zero to its peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 None of these 4 0.5 0.25 180 None of these 4 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP