Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V 38.74 V 35.4 V 30.4 V None of these 37.4 V 38.74 V 35.4 V 30.4 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Positive charges Crystals Negative charges Atoms None of these Positive charges Crystals Negative charges Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Primary voltage None of these Neither Impossible to say Secondary voltage Primary voltage None of these Neither Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit parallel RL circuit None of these parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit parallel RL circuit 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 None of these The current in an ac circuit flows in one direction at a steady level 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 None of these The current in an ac circuit flows in one direction at a steady level 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 Current is The force that causes electrons to flow The flow of charged particles through a material An imbalance of electrical charges None of these The number of free electrons in an atom The force that causes electrons to flow The flow of charged particles through a material An imbalance of electrical charges None of these The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP