Electronic Principles The rotating coil of wire in an electric motor is called the: None of these brush commutator armature loop None of these brush commutator armature loop ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 310 Ohm 400 Ohm 550 Ohm None of these 410 Ohm 310 Ohm 400 Ohm 550 Ohm None of these 410 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 14.8 µA 7.8 µA 10.3 µA None of these 7.75 µA 14.8 µA 7.8 µA 10.3 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 6 None of these 81 85 9 6 None of these 81 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance None of these A atom that has an excessive number of electrons in its outer orbit A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance None of these A atom that has an excessive number of electrons in its outer orbit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current is converted to dc voltage None of these ANSWER DOWNLOAD EXAMIANS APP
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