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? None of these 707 V 700 V 651 V 208 V None of these 707 V 700 V 651 V 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage decreasing the area of the plates increasing the voltage applied to the plates None of these increasing the area of the plates increasing the frequency of the applied voltage decreasing the area of the plates increasing the voltage applied to the plates None of these increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? None of these The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of currents entering and leaving a point 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 algebraic sum of voltages in a loop is equal to zero None of these The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of currents entering and leaving a point 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 algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 15 V None of these 7.5 V 16 V 8 V 15 V None of these 7.5 V 16 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 17.5 mA 175 mA 1.75 mA 1750 mA None of these 17.5 mA 175 mA 1.75 mA 1750 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? 1 None of these 2 3 4 1 None of these 2 3 4 ANSWER DOWNLOAD EXAMIANS APP