Electronic Principles To get the Thevenin voltage, you have to Short the load resistor None of these Short the voltage source Open the load resister Open the voltage source Short the load resistor None of these Short the voltage source Open the load resister Open the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The total current is equal to the sum of the currents through the resistance and inductance The total current is less than the sum of the currents through the resistance and inductance None of these The total current leads the total voltage by less than 90 The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance The total current is less than the sum of the currents through the resistance and inductance None of these The total current leads the total voltage by less than 90 The current always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of At least 10 Ohm None of these less than 10 Ohm Less than 100 k Ohm More than 100 k Ohm At least 10 Ohm None of these less than 10 Ohm Less than 100 k Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 0.575 0.707 10.738 None of these 1.5 0.575 0.707 10.738 None of these 1.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 13 mA 3.75 mA 0.05 mA 3.2 mA None of these 13 mA 3.75 mA 0.05 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
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