Electronic Principles The equivalent of 1 micro A is: 10000A one-millionth of an ampere one million amperes 1000 A None of these 10000A one-millionth of an ampere one million amperes 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? P = E2/R None of these P = IE P = I2R I = P/E P = E2/R None of these P = IE P = I2R I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 10 Ohm At least 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm Less than 10 Ohm At least 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 600 V 0.4 V None of these 24 V 4.73 600 V 0.4 V None of these 24 V 4.73 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 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 None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 220 ohm 150 ohm 445 ohm 690 ohm None of these 220 ohm 150 ohm 445 ohm 690 ohm ANSWER DOWNLOAD EXAMIANS APP
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