Electronic Principles The peak value of a sine waveform is: the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value None of these the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value None of these the amplitude at 70.7% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of less than 10 Ohm More than 100 k Ohm At least 10 Ohm Less than 100 k Ohm None of these less than 10 Ohm More than 100 k Ohm At least 10 Ohm Less than 100 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a conductor None of these a piece of copper wire a battery an insulator a conductor None of these a piece of copper wire a battery an insulator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves down nowhere up off the load line None of these down nowhere up off the load line None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract None of these Like magnetic poles attract, while unlike poles repel Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract None of these Like magnetic poles attract, while unlike poles repel Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 651 V 700 V 208 V None of these 707 V 651 V 700 V 208 V None of these 707 V ANSWER DOWNLOAD EXAMIANS APP
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