Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: One-half the primary current No more than 10% less than the primary current Twice the primary current None of these Same as the primary current One-half the primary current No more than 10% less than the primary current Twice the primary current None of these Same as the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? None of these 200 k Ohm or more 20 k Ohm or more 200 k Ohm or less 20 km or less None of these 200 k Ohm or more 20 k Ohm or more 200 k Ohm or less 20 km or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = PR R = E2/P None of these I = P/E P = E2/R P = PR R = E2/P None of these I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: None of these doubles the amount of inductive reactance has no effect on the inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half None of these doubles the amount of inductive reactance has no effect on the inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? None of these generator chemical cell thermocouple solar cell None of these generator chemical cell thermocouple solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? None of these 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 voltages in a loop is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero None of these 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 voltages in a loop is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
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