Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43922 3 None of these 43891 2 43922 3 None of these 43891 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always decreases as the applied frequency increases None of these is maximum at the resonant frequency always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases None of these is maximum at the resonant frequency always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V 0.3V 2 m V per degree Celsius 1 V None of these 0.7V 0.3V 2 m V per degree Celsius 1 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is None of these The number of free electrons in an atom Trie force that causes electrons to flow The flow of charged particles through a material The smallest electrically charged particle None of these The number of free electrons in an atom Trie force that causes electrons to flow The flow of charged particles through a material The smallest electrically charged particle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? None of these Emit light Rectify line voltage Regulate voltage Amplify weak signals None of these Emit light Rectify line voltage Regulate voltage Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? None of these 120 V 100 V 180 V 170 V None of these 120 V 100 V 180 V 170 V ANSWER DOWNLOAD EXAMIANS APP
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