Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open its contact remain open None of these you are not pressing the button you are pressing the button its contact remain open its contact remain open None of these you are not pressing the button you are pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: the core is permitted to move freely within the coil 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 an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil 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 an increase in current through the coil causes no further increase in the mmf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Solar energy Chemical energy None of these Mechanical energy Light energy Solar energy Chemical energy None of these Mechanical energy Light energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is equal to the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 844.5 Ohm 3890 Ohm 692.2 Ohm 1234 Ohm None of these 844.5 Ohm 3890 Ohm 692.2 Ohm 1234 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: capacitive reactance is greater than the inductive reactance None of these the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance None of these the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
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