Electronic Principles The south pole of a magnet is the one: that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be attracted to the earths north magnetic pole None of these that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be attracted to the earths north magnetic pole None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 20 A None of these 50 A 0.20833333333333 20 A None of these 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of less than 10 Ohm At least 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm less than 10 Ohm At least 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 10 Ohm 20 Ohm 100 Ohm None of these 30 Ohm 10 Ohm 20 Ohm 100 Ohm None of these 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -3 2 None of these -6 -3 2 None of these -6 ANSWER DOWNLOAD EXAMIANS APP
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