Electronic Principles What is the smallest number of polarities required for current flow? Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal None of these Four - two negative and two positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance None of these cuts the capacitive reactance in half multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance has no effect on the capacitive reactance None of these cuts the capacitive reactance in half multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet None of these that would be attracted to the earths north magnetic pole that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet None of these that would be attracted to the earths north magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 60 Ohm 30 Ohm 754 Ohm 120 Ohm None of these 60 Ohm 30 Ohm 754 Ohm 120 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 30 degree 180 degree None of these 75 degree 45 degree 30 degree 180 degree None of these 75 degree 45 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: amperes per second None of these henrys Ohm volts per second amperes per second None of these henrys Ohm volts per second ANSWER DOWNLOAD EXAMIANS APP
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