Electronic Principles Most AC power is obtained from: lightning None of these oscillators batteries generators lightning None of these oscillators batteries generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of currents in a loop is equal to zero 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 P = IE None of these P = E2/R P = I2R I = P/E P = IE None of these P = E2/R P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 20 W 200 W 100 W 1000 W None of these 20 W 200 W 100 W 1000 W 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 40 V 0 V 36 V None of these 60 V 40 V 0 V 36 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RC circuit purely resistive circuit parallel RL circuit None of these parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit parallel RL circuit None of these parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP