Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 13 mA 0.05 mA 3.2 mA 3.75 mA None of these 13 mA 0.05 mA 3.2 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: has no effect on the inductance multiplies the value of inductance by four None of these multiplies the value of inductance by two reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by four None of these multiplies the value of inductance by two reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 None of these 85 9 81 6 None of these 85 9 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is equal to the average value of the individual voltages None of these The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is equal to the average value of the individual voltages None of these The total voltage in a parallel circuit is always less than the value of the smallest voltage 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 2 k Ohm 20 k Ohm 10 k Ohm 1 k Ohm None of these 2 k Ohm 20 k Ohm 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: None of these loop brush commutator armature None of these loop brush commutator armature ANSWER DOWNLOAD EXAMIANS APP