Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 0.151 mA 2.02 A None of these 157 raA 0.995 mA 0.151 mA 2.02 A None of these 157 raA 0.995 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The circular magnetic field that surrounds a conductor carrying a current The amount of magnetic flux that is not confined to the core material of an electromagnet 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 circular magnetic field that surrounds a conductor carrying a current The amount of magnetic flux that is not confined to the core material of an electromagnet 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.3V 0.7V 2 m V per degree Celsius None of these 1 V 0.3V 0.7V 2 m V per degree Celsius None of these 1 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 2 None of these 43922 43891 3 2 None of these 43922 43891 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are primary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP