Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? None of these 0.24 W 0.625 W 80 W 325 kW None of these 0.24 W 0.625 W 80 W 325 kW 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 If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V 36 V None of these 0 V 40 V 60 V 36 V None of these 0 V 40 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: None of these decreasing the area of the plates increasing the voltage applied to the plates increasing the area of the plates increasing the frequency of the applied voltage None of these decreasing the area of the plates increasing the voltage applied to the plates increasing the area of the plates increasing the frequency of the applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage in a parallel circuit is always less than the value of the smallest voltage None of these The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is always less than the value of the smallest voltage None of these The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these ANSWER DOWNLOAD EXAMIANS APP