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? 2 k Ohm 10 k Ohm 1 k Ohm None of these 20 k Ohm 2 k Ohm 10 k Ohm 1 k Ohm None of these 20 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 844.5 Ohm 1234 Ohm 3890 Ohm 692.2 Ohm None of these 844.5 Ohm 1234 Ohm 3890 Ohm 692.2 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? All of these A paramagnetic material A ferromagnetic material A diamagnetic material None of these All of these A paramagnetic material A ferromagnetic material A diamagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA None of these 0.25 µA 300 µA 250 µA 350 µA None of these 0.25 µA 300 µA 250 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and series resistor None of these Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and series resistor None of these ANSWER DOWNLOAD EXAMIANS APP