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 60 Ohm 70.7Ohm 99.3 Ohm None of these 250 Ohm 60 Ohm 70.7Ohm 99.3 Ohm None of these 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? 4 0.5 None of these 0.25 180 4 0.5 None of these 0.25 180 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies slightly None of these varies enormously equals the collector current divided by the base current is contant varies slightly None of these varies enormously equals the collector current divided by the base current is contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A feiTomagnetic material A diamagnetic material All of these A paramagnetic material None of these A feiTomagnetic material A diamagnetic material All of these A paramagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Active Bipolar None of these Linear Nonlinear Active Bipolar None of these Linear Nonlinear ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal None of these Four - two negative and two positive One - a negative terminal Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal None of these Four - two negative and two positive ANSWER DOWNLOAD EXAMIANS APP