Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 1000 W 100 W 200 W 20 W None of these 1000 W 100 W 200 W 20 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Thermal energy Free electrons None of these Doping Valence electrons Thermal energy Free electrons None of these Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.41666666666667 None of these 0.955 A 0.02 A 2.02 A 0.41666666666667 None of these 0.955 A 0.02 A 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a paramagnetic alloy a temporary magnet an artificial magnet a natural magnet None of these a paramagnetic alloy a temporary magnet an artificial magnet a natural magnet None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = PR I = P/E None of these P = E2/R R = E2/P P = PR I = P/E None of these P = E2/R R = E2/P ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 100 Ohm 30 Ohm 20 Ohm None of these 10 Ohm 100 Ohm 30 Ohm 20 Ohm None of these 10 Ohm ANSWER DOWNLOAD EXAMIANS APP