Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 4.73 600 V None of these 24 V 0.4 V 4.73 600 V None of these 24 V 0.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of less than 10 Ohm None of these More than 100 k Ohm At least 10 Ohm Less than 100 k Ohm less than 10 Ohm None of these More than 100 k Ohm At least 10 Ohm Less than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point down off the load line nowhere up None of these down off the load line nowhere up None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V 0.7 V None of these 20 V 0.8 V 0.7 V None of these 20 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
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