Electronic Principles To get the Thevenin voltage, you have to Short the load resistor Open the voltage source Open the load resister Short the voltage source None of these Short the load resistor Open the voltage source Open the load resister Short the voltage source None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil None of these an increase in current through the coil causes no further increase in the mmf frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil None of these an increase in current through the coil causes no further increase in the mmf frequent changes in the direction of current through the coil causes heating effects in the core material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 11 mA 12 mA None of these 10 mA 14 mA 11 mA 12 mA None of these 10 mA 14 mA 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? Number of lines of force Flux density Reluctance Magnetomotive force None of these Number of lines of force Flux density Reluctance Magnetomotive force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? None of these The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage None of these The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage ANSWER DOWNLOAD EXAMIANS APP
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? P = I2R I = P/E P = E2/R None of these P = IE P = I2R I = P/E P = E2/R None of these P = IE ANSWER DOWNLOAD EXAMIANS APP