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 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 total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero 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 total voltage in a parallel circuit is less than the value of the smallest voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? None of these 30 Ohm 60 Ohm 754 Ohm 120 Ohm None of these 30 Ohm 60 Ohm 754 Ohm 120 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: solar cells chemical cells piezoeletric cells None of these voltage generators solar cells chemical cells piezoeletric cells None of these voltage generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons None of these Only those produced by thermal energy Same number as free electrons many less than the free electrons None of these Only those produced by thermal energy Same number as free electrons many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: None of these peak both the voltage and current waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms None of these peak both the voltage and current waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak the current and round off the voltage waveforms ANSWER DOWNLOAD EXAMIANS APP