Electronic Principles Current is The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom None of these An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom None of these An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 60 Ohm 120 Ohm None of these 30 Ohm 754 Ohm 60 Ohm 120 Ohm None of these 30 Ohm 754 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: None of these thermocouple photo transistor solar cell photodiode None of these thermocouple photo transistor solar cell photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: cuts the capacitive reactance in half doubles the amount of a capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half doubles the amount of a capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals None of these 25o C -276o C -273o C 0o C None of these 25o C -276o C -273o C 0o C 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 an increase in current through the coil causes no further increase in the mmf 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 the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf 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 ANSWER DOWNLOAD EXAMIANS APP
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