Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 85 None of these 9 81 6 85 None of these 9 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 60 Ohm 30 Ohm None of these 120 Ohm 754 Ohm 60 Ohm 30 Ohm None of these 120 Ohm 754 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V 0.3V 2 m V per degree Celsius None of these 0.7V 1 V 0.3V 2 m V per degree Celsius None of these 0.7V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? All of these None of these A diamagnetic material A feiTomagnetic material A paramagnetic material All of these None of these A diamagnetic material A feiTomagnetic material A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from positive to negative None of these from negative to positive from neutral to positive from right to left from positive to negative None of these from negative to positive from neutral to positive from right to left ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: nicad cell solar cell photodiode None of these piezoelectric device nicad cell solar cell photodiode None of these piezoelectric device ANSWER DOWNLOAD EXAMIANS APP
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