Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V 651 V 707 V None of these 208 V 700 V 651 V 707 V None of these 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Semiconductor Crystal None of these Covalent bond Valence orbit Semiconductor Crystal None of these Covalent bond Valence orbit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: None of these has no effect on the total circuit current cuts the total current by one-half thrice the amount of total current doubles the amount of total current None of these has no effect on the total circuit current cuts the total current by one-half thrice the amount of total current doubles the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 120 Ohm None of these 30 Ohm 754 Ohm 60 Ohm 120 Ohm None of these 30 Ohm 754 Ohm 60 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 10 mA 14 mA 11 mA None of these 12 mA 10 mA 14 mA 11 mA None of these 12 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell piezoelectric device nicad cell None of these photodiode solar cell piezoelectric device nicad cell None of these photodiode ANSWER DOWNLOAD EXAMIANS APP
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