Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its peak value from zero to its rms value None of these from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% 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 70.7% of the peak value 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 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 changes direction periodically The current in an ac circuit flows in one direction at a steady level 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 changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm 445 ohm None of these 220 ohm 690 ohm 150 ohm 445 ohm None of these 220 ohm 690 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.24 W None of these 325 kW 80 W 0.625 W 0.24 W None of these 325 kW 80 W 0.625 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS