Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material All of these A paramagnetic material A diamagnetic material None of these A ferromagnetic material All of these A paramagnetic material A diamagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? None of these The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 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: None of these One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current None of these One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? I = P/E None of these P = IE P = I2R P = E2/R I = P/E None of these P = IE P = I2R P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Open the load resister Open the voltage source Short the voltage source None of these Short the load resistor Open the load resister Open the voltage source Short the voltage source None of these Short the load resistor ANSWER DOWNLOAD EXAMIANS APP
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