Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.955 A 2.02 A None of these 0.02 A 0.41666666666667 0.955 A 2.02 A None of these 0.02 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm None of these one million ohms 1 k ohm 100,000 ohm one-millionth of an ohm None of these one million ohms 1 k ohm 100,000 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA None of these 200 mA 300 mA 7.8 mA 208 mA None of these 200 mA 300 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields a good insulator None of these a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields a good insulator None of these 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 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 algebraic sum of currents entering and leaving a point is equal to zero None of these The current through a resistance is proportional to the value of resistance and the IR drop across it 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 algebraic sum of currents entering and leaving a point is equal to zero None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS