Electronic Principles At room temperature a conductor has low many holes? None of these many Same number as free electrons less than the free electrons Only those produced by thermal energy None of these many Same number as free electrons less than the free electrons Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 50 Ohm or more 100 Ohm None of these 6 Ohm 5 Ohm 50 Ohm or more 100 Ohm None of these 6 Ohm 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Load resistance Half the load resistance None of these Open-load resistance Internal resistance of a Morton circuit Load resistance Half the load resistance None of these Open-load resistance Internal resistance of a Morton circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? None of these Flux density Reluctance Number of lines of force Magnetomotive force None of these Flux density Reluctance Number of lines of force Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? 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 The force of attraction between the poles of a permanent and temporary magnetic field ANSWER DOWNLOAD EXAMIANS APP
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