Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.625 W 80 W 325 kW 0.24 W None of these 0.625 W 80 W 325 kW 0.24 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The circular magnetic field that surrounds a conductor carrying a current None of these The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The circular magnetic field that surrounds a conductor carrying a current None of these The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 707 V 651 V 208 V None of these 700 V 707 V 651 V 208 V None of these 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at lower end of the load line None of these middle of the load line upper end of the load line infinity lower end of the load line None of these middle of the load line upper end of the load line infinity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Barrier potential Breakdown voltage Forward voltage None of these Applied voltage Barrier potential Breakdown voltage Forward voltage None of these Applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The total voltage is greater than the sum of the voltages across the resistance and capacitance None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance The total voltage is greater than the sum of the voltages across the resistance and capacitance None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
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