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
Electronic Principles The nucleus of the copper atom contains how many protons? 29 1 None of these 4 18 29 1 None of these 4 18 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open you are pressing the button its contact remain open None of these you are not pressing the button its contact remain open you are pressing the button its contact remain open None of these you are not pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet None of these that would be attracted to the earth's north magnetic pole that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet None of these that would be attracted to the earth's north magnetic pole that has its molecules arranged in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 2 43922 3 43891 None of these 2 43922 3 43891 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor Current lags the voltage through a resistor Current and voltages are in phase through a resistor None of these All of these Current leads the voltage through a resistor Current lags the voltage through a resistor Current and voltages are in phase through a resistor None of these All of these ANSWER DOWNLOAD EXAMIANS APP
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