Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Wattmeter Voltmeter Ammeter None of these Ohmmeter Wattmeter Voltmeter Ammeter None of these Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that has its molecules arranged in a random pattern that would be repelled by the south pole of another magnet None of these that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern that would be repelled by the south pole of another magnet None of these that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole 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? 3890 Ohm 1234 Ohm 692.2 Ohm None of these 844.5 Ohm 3890 Ohm 1234 Ohm 692.2 Ohm None of these 844.5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The circular magnetic field that surrounds a conductor carrying a current None of these The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The circular magnetic field that surrounds a conductor carrying a current None of these The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Applied voltage Barrier potential Forward voltage Breakdown voltage None of these Applied voltage Barrier potential Forward voltage Breakdown voltage None of these ANSWER DOWNLOAD EXAMIANS APP
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