Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V 40 V 0 V None of these 36 V 60 V 40 V 0 V None of these 36 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 20 W 100 W None of these 200 W 1000 W 20 W 100 W None of these 200 W 1000 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Doping Barrier potential Ions Recombination None of these Doping Barrier potential Ions Recombination None of these 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? 3.75 mA 3.2 mA 0.05 mA None of these 13 mA 3.75 mA 3.2 mA 0.05 mA None of these 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of voltages in a loop is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero None of these The algebraic sum of voltages in a loop is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero None of these ANSWER DOWNLOAD EXAMIANS APP
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