Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 9 None of these 85 6 81 9 None of these 85 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 1234 Ohm 692.2 Ohm 3890 Ohm 844.5 Ohm None of these 1234 Ohm 692.2 Ohm 3890 Ohm 844.5 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 0 V 36 V 40 V None of these 60 V 0 V 36 V 40 V None of these 60 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 None of these 4 180 0.5 0.25 None of these 4 180 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 3.75 mA 0.05 mA None of these 13 mA 3.2 mA 3.75 mA 0.05 mA None of these 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: an artificial magnet a natural magnet a paramagnetic alloy None of these a temporary magnet an artificial magnet a natural magnet a paramagnetic alloy None of these a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
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