Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.625 W 0.24 W 80 W None of these 325 kW 0.625 W 0.24 W 80 W None of these 325 kW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: has no effect on the inductive reactance multiplies the inductive reactance by 6.28 None of these cuts the inductive reactance in half doubles the amount of inductive reactance has no effect on the inductive reactance multiplies the inductive reactance by 6.28 None of these cuts the inductive reactance in half doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage of a series circuit is equal to the total current divided by the total resistance None of these The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage of a series circuit is equal to the total current divided by the total resistance None of these The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage in a series circuit is always less than the value of the smallest voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 200 mA 300 mA None of these 208 mA 7.8 mA 200 mA 300 mA None of these 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? None of these 64 W 122 W 3 W 6 W None of these 64 W 122 W 3 W 6 W ANSWER DOWNLOAD EXAMIANS APP
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 Same as the primary current None of these One-half the primary current No more than 10% less than the primary current Twice the primary current Same as the primary current None of these ANSWER DOWNLOAD EXAMIANS APP