Electronic Principles The merging of a free electron and a hole is called Thermal energy Covalent bonding Lifetime Recombination None of these Thermal energy Covalent bonding Lifetime Recombination None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: cuts the capacitive reactance in half doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these cuts the capacitive reactance in half doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always increases as the applied frequency increases always decreases as the applied frequency increases is maximum at the resonant frequency None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always increases as the applied frequency increases always decreases as the applied frequency increases is maximum at the resonant frequency None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance 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, 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 The current in an ac circuit changes direction periodically None of these 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 The current in an ac circuit changes direction periodically None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current None of these emitter current supply current collector current base current None of these emitter current supply current collector current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is maximum at the resonant frequency always increases as the applied frequency increases is minimum at the resonant frequency None of these always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases is minimum at the resonant frequency None of these always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
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