Electronic Principles A dielectric material is: a good conductor of magnetic fields a good conductor a poor conductor of electrostatic fields None of these a good insulator a good conductor of magnetic fields a good conductor a poor conductor of electrostatic fields None of these a good insulator 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 0.41666666666667 1000 A None of these 0.1 A 100 A 0.41666666666667 1000 A None of these 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 100 k Ohm None of these Less than 10 Ohm At least 10 Ohm More than 100 k Ohm Less than 100 k Ohm None of these Less than 10 Ohm At least 10 Ohm More 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? None of these 100 Ohm or more 50 Ohm 60 Ohm 10 Ohm None of these 100 Ohm or more 50 Ohm 60 Ohm 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases 0oC Stays the same Increases None of these Decreases 0oC Stays the same Increases None of these ANSWER DOWNLOAD EXAMIANS APP
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