Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 250 Ohm None of these 60 Ohm 99.3 Ohm 70.7Ohm 250 Ohm None of these 60 Ohm 99.3 Ohm 70.7Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Impossible to say Equals the number of holes None of these Is greater than the number of holes Is less than the number of holes Impossible to say Equals the number of holes None of these Is greater than the number of holes Is less than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 410 Ohm 400 Ohm 310 Ohm 550 Ohm None of these 410 Ohm 400 Ohm 310 Ohm 550 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 1 k Ohm None of these 10 k Ohm 2 k Ohm 20 k Ohm 1 k Ohm None of these 10 k Ohm 2 k Ohm 20 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has a few free electrons and holes None of these many holes many free electrons No holes a few free electrons and holes None of these many holes many free electrons No holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron None of these An electron that costs nothing An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron None of these An electron that costs nothing An electron that has been freed from its parent atom ANSWER DOWNLOAD EXAMIANS APP
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