Electronic Principles Which one of the following phrases best describes residual magnetism? 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 None of these The circular magnetic field that surrounds a conductor carrying a current Magnetism that remains in the core of an electromagnet after the current through the coil is turned off 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 None of these The circular magnetic field that surrounds a conductor carrying a current Magnetism that remains in the core of an electromagnet after the current through the coil is turned off ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 122 W None of these 64 W 3 W 6 W 122 W None of these 64 W 3 W 6 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: ohm None of these watt volt ampere ohm None of these watt volt ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 29 None of these 1 4 18 29 None of these 1 4 18 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 200 A None of these 2 mA 0.083333333333333 0.5 mA 200 A None of these 2 mA 0.083333333333333 0.5 mA ANSWER DOWNLOAD EXAMIANS APP
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