Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of More than 100 k Ohm At least 10 Ohm Less than 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm At least 10 Ohm Less than 10 Ohm None of these Less than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: voltage generators None of these piezoeletric cells chemical cells solar cells voltage generators None of these piezoeletric cells chemical cells solar cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf None of these frequent changes in the direction of current through the coil causes heating effects in the core material the core is permitted to move freely within the coil changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf None of these frequent changes in the direction of current through the coil causes heating effects in the core material the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value None of these from 10% of the peak value to 90% of the peak value from zero to its peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value None of these from 10% of the peak value to 90% of the peak value from zero to its peak value from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 29 14 None of these 4 48 29 14 None of these 4 48 ANSWER DOWNLOAD EXAMIANS APP
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