Electronic Principles A device that converts light energy to electrical energy is called a: thermocouple None of these photo transistor solar cell photodiode thermocouple None of these photo transistor solar cell photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from neutral to positive from positive to negative from right to left from negative to positive None of these from neutral to positive from positive to negative from right to left from negative to positive None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many types of flow are there in a semiconductor? None of these 1 2 3 None of these 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals None of these passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals None of these passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: None of these multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance None of these multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS