Electronic Principles What form of energy is used for creating static electricity? Mechanical energy Chemical energy None of these Light energy Solar energy Mechanical energy Chemical energy None of these Light energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A paramagnetic material A feiTomagnetic material None of these All of these A diamagnetic material A paramagnetic material A feiTomagnetic material None of these All of these A diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ohmmeter Wattmeter Voltmeter Ammeter None of these Ohmmeter Wattmeter Voltmeter Ammeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: knife switch momentary push button switch toggle switch rotary switch None of these knife switch momentary push button switch toggle switch rotary switch None of these 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 70.7% of the peak value from 10% of the peak value to 90% of the peak value from zero to its peak value from zero to its rms value None of these 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 core of an electromagnet is said to be in saturation when: None of these an increase in current through the coil causes no further increase in the mmf frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil None of these an increase in current through the coil causes no further increase in the mmf frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
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