Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 100 Ohm or more None of these 60 Ohm 10 Ohm 50 Ohm 100 Ohm or more None of these 60 Ohm 10 Ohm 50 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core 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 an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core 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 How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 325 kW 0.625 W 80 W None of these 0.24 W 325 kW 0.625 W 80 W None of these 0.24 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: None of these has no effect on the total circuit current thrice the amount of total current cuts the total current by one-half doubles the amount of total current None of these has no effect on the total circuit current thrice the amount of total current cuts the total current by one-half doubles the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: 1 million farads 1000 millifarads 1 million picofarads 1 millionth of a picofarad None of these 1 million farads 1000 millifarads 1 million picofarads 1 millionth of a picofarad None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Voltmeter Ammeter Ohmmeter None of these Wattmeter Voltmeter Ammeter Ohmmeter None of these Wattmeter ANSWER DOWNLOAD EXAMIANS APP
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