Electronic Principles The period of a waveform is: equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 180 0.5 4 None of these 0.25 180 0.5 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half None of these doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half None of these doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as None of these Nonlinear Linear Bipolar Active None of these Nonlinear Linear Bipolar Active ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has A load-dependent current Infinite internal resistance Zero internal resistance A load dependent voltage None of these A load-dependent current Infinite internal resistance Zero internal resistance A load dependent voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltage is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit None of these ANSWER DOWNLOAD EXAMIANS APP
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