Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 81 None of these 6 85 9 81 None of these 6 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: doubles the amount of a capacitive reactance has no effect on the capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 None of these doubles the amount of a capacitive reactance has no effect on the capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? 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 None of these The algebraic sum of voltages entering and leaving a point is equal to zero 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 None of these The algebraic sum of voltages entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: piezoeletric cells voltage generators chemical cells None of these solar cells piezoeletric cells voltage generators chemical cells None of these solar cells ANSWER DOWNLOAD EXAMIANS APP
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