Electronic Principles A device that converts mechanical pressure to electrical energy is called a: None of these piezoelectric device nicad cell solar cell photodiode None of these piezoelectric device nicad cell solar cell photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Reluctance Magnetomotive force None of these Number of lines of force Flux density Reluctance Magnetomotive force None of these Number of lines of force Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 14.8 µA 10.3 µA 7.8 µA 7.75 µA None of these 14.8 µA 10.3 µA 7.8 µA 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: None of these equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sun of the individual capacitive-reactance values equal to the sum of the individual capacitance values None of these equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sun of the individual capacitive-reactance values equal to the sum of the individual capacitance values 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 voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero 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 voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases Stays the same None of these 0oC Decreases Increases Stays the same None of these 0oC Decreases ANSWER DOWNLOAD EXAMIANS APP