Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has no charge None of these An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge None of these An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: reduces 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 reduces 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: No more than 10% less than the primary current Twice the primary current Same as the primary current None of these One-half the primary current No more than 10% less than the primary current Twice the primary current Same as the primary current None of these One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? None of these 2 k Ohm 10 k Ohm 20 k Ohm 1 k Ohm None of these 2 k Ohm 10 k Ohm 20 k Ohm 1 k Ohm ANSWER DOWNLOAD EXAMIANS APP
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 None of these The amount of magnetic flux that is not confined to the core material of an electromagnet 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 None of these The amount of magnetic flux that is not confined to the core material of an electromagnet 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 If the base supply voltage increases, the Q point moves down up None of these nowhere off the load line down up None of these nowhere off the load line ANSWER DOWNLOAD EXAMIANS APP
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