Electronic Principles When the Q point moves along the load line, the voltage increases when the current Decreases Can be any of above Increases Stays the same None of these Decreases Can be any of above Increases Stays the same None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: an increase in current through the coil causes no further increase in the mmf 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 None of these the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf 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 None of these the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? None of these 444 Ohm 628 Ohm 100 Ohm Less than 1 Ohm None of these 444 Ohm 628 Ohm 100 Ohm Less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Electronical energy Mechanical energy Chemical energy Solar energy None of these Electronical energy Mechanical energy Chemical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 0.17 V None of these 20 V 18.8 V 10.17 V 0.17 V None of these 20 V 18.8 V 10.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of More than 100 k Ohm Less than 100 k Ohm At least 10 Ohm less than 10 Ohm None of these More than 100 k Ohm Less than 100 k Ohm At least 10 Ohm less than 10 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
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