Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 9 None of these 85 6 81 9 None of these 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: doubles the amount of total current thrice the amount of total current cuts the total current by one-half has no effect on the total circuit current None of these doubles the amount of total current thrice the amount of total current cuts the total current by one-half has no effect on the total circuit current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: chemical cells voltage generators piezoeletric cells None of these solar cells chemical cells voltage generators piezoeletric cells None of these solar cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 77.7 ohm None of these 88.8 ohm 89.3 ohm 224 ohm 77.7 ohm None of these 88.8 ohm 89.3 ohm 224 ohm 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 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 positive charge and a proton has a negative charge None of these An electron has a negative charge and a proton has no 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 positive charge and a proton has a negative charge None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V 20 V None of these 0.7 V 0.8 V 20 V None of these 0.7 V ANSWER DOWNLOAD EXAMIANS APP