Electronic Principles The rotating coil of wire in an electric motor is called the: None of these brush loop commutator armature None of these brush loop commutator armature 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? 13 mA 3.2 mA None of these 0.05 mA 3.75 mA 13 mA 3.2 mA None of these 0.05 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: thermocouple None of these chemical cell solar cell electric device thermocouple None of these chemical cell solar cell electric device ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The number of free electrons in an atom The flow of charged particles through a material The force that causes electrons to flow None of these An imbalance of electrical charges The number of free electrons in an atom The flow of charged particles through a material The force that causes electrons to flow None of these An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
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? 7.8 mA 208 mA 200 mA 300 mA None of these 7.8 mA 208 mA 200 mA 300 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 6 Ohm 5 Ohm 50 Ohm or more None of these 100 Ohm 6 Ohm 5 Ohm 50 Ohm or more None of these ANSWER DOWNLOAD EXAMIANS APP
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