Electronic Principles A device that converts chemical energy to electrical energy is called a: thermocouple electric device chemical cell solar cell None of these thermocouple electric device chemical cell solar cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? None of these An electron that has no electrical charge An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom None of these An electron that has no electrical charge An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Twice the primary current One-half the primary current Same as the primary current No more than 10% less than the primary current None of these Twice the primary current One-half the primary current Same as the primary current No more than 10% less than the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a battery an insulator a conductor None of these a piece of copper wire a battery an insulator a conductor None of these a piece of copper wire ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The current through a resistance is proportional to the value of resistance and the IR drop across it The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero None of these The current through a resistance is proportional to the value of resistance and the IR drop across it The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero None of these ANSWER DOWNLOAD EXAMIANS APP