Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell chemical cell None of these piezoelectric devices thermocouple solar cell chemical cell None of these piezoelectric devices thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 55 A 55.86 A None of these 18.2 mA 16.3 mA 55 A 55.86 A None of these 18.2 mA 16.3 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half doubles the amount of current through the inductors None of these has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half doubles the amount of current through the inductors None of these has no effect on the current through the inductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage None of these Primary voltage Neither Impossible to say Secondary voltage None of these Primary voltage Neither Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? None of these 3 W 64 W 6 W 122 W None of these 3 W 64 W 6 W 122 W 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 1000 A None of these 100 A 0.41666666666667 0.1 A 1000 A None of these 100 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP