Electronic Principles What is one important thing transistors do? Amplify weak signals Rectify line voltage Emit light Regulate voltage None of these Amplify weak signals Rectify line voltage Emit light Regulate voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photodiode None of these thermocouple solar cell photo transistor photodiode None of these thermocouple solar cell photo transistor 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 algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Nonlinear Bilateral Linear Unipolar None of these Nonlinear Bilateral Linear Unipolar None of these 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? None of these 175 mA 17.5 mA 1.75 mA 1750 mA None of these 175 mA 17.5 mA 1.75 mA 1750 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the number of cycles completed in one second the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP