Electronic Principles A dielectric material is: a good insulator a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields None of these a good insulator a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A 1000 A 0.41666666666667 0.1 A None of these 100 A 1000 A 0.41666666666667 0.1 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of More than 100 k Ohm None of these At least 10 Ohm Less than 10 Ohm Less than 100 k Ohm More than 100 k Ohm None of these At least 10 Ohm Less than 10 Ohm Less than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 10 Ohm None of these 50 Ohm 60 Ohm 100 Ohm or more 10 Ohm None of these 50 Ohm 60 Ohm 100 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature 0oC None of these Decreases Increases Stays the same 0oC None of these Decreases Increases Stays the same ANSWER DOWNLOAD EXAMIANS APP
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