Electronic Principles A dielectric material is: a good conductor of magnetic fields a good insulator None of these a good conductor a poor conductor of electrostatic fields a good conductor of magnetic fields a good insulator None of these a good conductor a poor conductor of electrostatic fields 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? None of these 0.1 A 0.41666666666667 1000 A 100 A None of these 0.1 A 0.41666666666667 1000 A 100 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 10 Ohm 60 Ohm 50 Ohm 100 Ohm or more None of these 10 Ohm 60 Ohm 50 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 Increases None of these Stays the same 0oC Decreases Increases None of these Stays the same 0oC Decreases ANSWER DOWNLOAD EXAMIANS APP
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