Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V 35.4 V None of these 30.4 V 37.4 V 38.74 V 35.4 V None of these 30.4 V 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 690 Ohm less than 1 Ohm 312 Ohm None of these 1590 Ohm 690 Ohm less than 1 Ohm 312 Ohm None of these 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say Primary voltage Neither None of these Secondary voltage Impossible to say Primary voltage Neither None of these Secondary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: None of these from zero to its rms value 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 None of these from zero to its rms value 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 ANSWER DOWNLOAD EXAMIANS APP
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