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