Electronic Principles What causes the depletion layer? Ions Recombination Doping Barrier potential None of these Ions Recombination Doping Barrier potential None of these ANSWER DOWNLOAD EXAMIANS APP
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 7.8 mA 200 mA 208 mA 300 mA None of these 7.8 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 250 µA None of these 0.25 µA 350 µA 300 µA 250 µA None of these 0.25 µA 350 µA 300 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages entering and leaving a point is equal to zero None of these The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero None of these The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total voltage in a parallel circuit is less than the value of the smallest voltage 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 3890 Ohm None of these 692.2 Ohm 844.5 Ohm 1234 Ohm 3890 Ohm None of these 692.2 Ohm 844.5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain equals the collector current divided by the base current varies slightly varies enormously None of these is contant equals the collector current divided by the base current varies slightly varies enormously None of these is contant ANSWER DOWNLOAD EXAMIANS APP
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