Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? I = P/E P = E2/R P = IE None of these P = I2R I = P/E P = E2/R P = IE None of these P = I2R 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 No more than 10% less than the primary current Twice the primary current One-half the primary current Same as the primary current None of these No more than 10% less than the primary current Twice the primary current One-half the primary current Same as the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Impossible to say Equals the number of holes None of these Is less than the number of holes Is greater than the number of holes Impossible to say Equals the number of holes None of these Is less than the number of holes Is greater than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Reluctance Flux density None of these Magnetomotive force Number of lines of force Reluctance Flux density None of these Magnetomotive force Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than 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 equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Nonlinear Active Linear None of these Bipolar Nonlinear Active Linear None of these Bipolar ANSWER DOWNLOAD EXAMIANS APP