Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 200 mA 300 mA 7.8 mA 208 mA None of these 200 mA 300 mA 7.8 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: watt volt ampere None of these ohm watt volt ampere None of these ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 30 Ohm 20 Ohm None of these 10 Ohm 100 Ohm 30 Ohm 20 Ohm None of these 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: Ohm None of these volts per second henrys amperes per second Ohm None of these volts per second henrys amperes per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA 13 mA 3.75 mA 3.2 mA None of these 0.05 mA 13 mA 3.75 mA 3.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Stays the same Increases None of these Decreases Can be any of above Stays the same Increases None of these Decreases Can be any of above ANSWER DOWNLOAD EXAMIANS APP