Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies enormously is contant None of these varies slightly equals the collector current divided by the base current varies enormously is contant None of these varies slightly equals the collector current divided by the base current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Impossible to say None of these Strong Weak Neutral Impossible to say None of these Strong Weak Neutral ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Mechanical energy None of these Electronical energy Solar energy Chemical energy Mechanical energy None of these Electronical energy Solar energy Chemical energy 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 An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 9 85 None of these 6 81 9 85 None of these 6 ANSWER DOWNLOAD EXAMIANS APP