Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA 300 mA None of these 200 mA 7.8 mA 208 mA 300 mA None of these 200 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Semiconductor None of these Covalent bond Valence orbit Crystal Semiconductor None of these Covalent bond Valence orbit Crystal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 2 m V per degree Celsius 0.7V 0.3V None of these 1 V 2 m V per degree Celsius 0.7V 0.3V None of these 1 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Recombination None of these Ions Doping Barrier potential Recombination None of these Ions Doping Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? None of these p-type n-type Extrinsic Intrinsic None of these p-type n-type Extrinsic Intrinsic ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The total current in a parallel circuit is less than the value of the smallest current The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero None of these The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero None of these The algebraic sum of currents in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
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