Electronic Principles A dielectric material is: a good conductor of magnetic fields a good insulator a poor conductor of electrostatic fields a good conductor None of these a good conductor of magnetic fields a good insulator a poor conductor of electrostatic fields a good conductor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of More than 100 k Ohm None of these less than 10 Ohm At least 10 Ohm Less than 100 k Ohm More than 100 k Ohm None of these less than 10 Ohm At least 10 Ohm Less than 100 k Ohm 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? 0.1 A 100 A 1000 A 0.41666666666667 None of these 0.1 A 100 A 1000 A 0.41666666666667 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photo transistor None of these photodiode solar cell thermocouple photo transistor None of these photodiode solar cell thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons None of these Thermal energy Doping Valence electrons Free electrons None of these Thermal energy Doping Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: has no effect on the inductance multiplies the value of inductance by two reduces the value of inductance by one-half None of these multiplies the value of inductance by four has no effect on the inductance multiplies the value of inductance by two reduces the value of inductance by one-half None of these multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP