Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? None of these Wattmeter Ohmmeter Voltmeter Ammeter None of these Wattmeter Ohmmeter Voltmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals None of these increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals None of these increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? None of these A diamagnetic material A paramagnetic material All of these A feiTomagnetic material None of these A diamagnetic material A paramagnetic material All of these A feiTomagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 700 V 707 V 651 V None of these 208 V 700 V 707 V 651 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: 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 has its molecules arranged in a random pattern that would be attracted to the earths north magnetic pole 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 has its molecules arranged in a random pattern that would be attracted to the earths north magnetic pole ANSWER DOWNLOAD EXAMIANS APP
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