Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? 2 None of these -3 -6 2 None of these -3 -6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 1000 A 100 A 0.41666666666667 0.1 A None of these 1000 A 100 A 0.41666666666667 0.1 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 70.7% of the peak value from zero to its peak value from zero to its rms value None of these from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its peak value from zero to its rms value None of these from 10% of the peak value to 90% of the peak value 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 one direction at a steady level The current in an ac circuit flows in two directions at the same time 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 one direction at a steady level The current in an ac circuit flows in two directions at the same time 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 What is one important thing transistors do? Emit light Rectify line voltage None of these Regulate voltage Amplify weak signals Emit light Rectify line voltage None of these Regulate voltage Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is a force that tends to overcome the effects of counter emf None of these Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is a force that tends to overcome the effects of counter emf None of these Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in ac circuits ANSWER DOWNLOAD EXAMIANS APP
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